Nikola Tesla was a deep and mysterious man. He sought and discovered hidden laws, facts, and truths of the Universe, and shared them with mankind. As you will come to know, Mathematics is something that is discovered (not invented), Mathematics is the language of the Universe, and Mathematics never lies.
Nikola Tesla is of course the pioneer and inventor of A/C (Alternating Current) electricity, the true and factual inventor of radio (i.e. not Marconi), and is purported to have discovered the (still secret/hidden/occult) knowledge of a way to extract free wireless electricity (energy) from the air.
The question arises: How did the ancient Egyptians manage to illuminate and light up their Pyramid tunnels that they were building -- without leaving any torch marks -- which would otherwise have been in complete darkness?
Nikola Tesla is reputed to have been fascinated unto the point of obsession with the numbers 3, 6, and 9. Indeed, these 3 numbers have special qualities and properties when compared to the other digits in our number system. Watch the video below for a quick introduction.
Let's create a Python list object called variable "t" that will be a List of Tesla Numbers to be defined as all numbers that are divisible by 3, 6, or 9. The range will start at integer 3 and continue until integer 3003 in steps of 3, and thus will include all multiples of 3 including the integer 3000, i.e. a total of 1000 integer numbers.
>>> t = list(range(3,3003,3))
>>> type(t)
<class 'list'>
>>> len(t)
1000
>>> t[0:3]
[3, 6, 9]
>>> t[0:6]
[3, 6, 9, 12, 15, 18]
>>> t[0:9]
[3, 6, 9, 12, 15, 18, 21, 24, 27]
>>> t[0:12]
[3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36]
>>> t[0:24]
[3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72]
>>> t[0:48]
[3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144]
>>> t[0:96]
[3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168, 171, 174, 177, 180, 183, 186, 189, 192, 195, 198, 201, 204, 207, 210, 213, 216, 219, 222, 225, 228, 231, 234, 237, 240, 243, 246, 249, 252, 255, 258, 261, 264, 267, 270, 273, 276, 279, 282, 285, 288]
>>> t[0:192]
[3, 6, 9, 12, 15, 18, 21, 24, 27, 30, 33, 36, 39, 42, 45, 48, 51, 54, 57, 60, 63, 66, 69, 72, 75, 78, 81, 84, 87, 90, 93, 96, 99, 102, 105, 108, 111, 114, 117, 120, 123, 126, 129, 132, 135, 138, 141, 144, 147, 150, 153, 156, 159, 162, 165, 168, 171, 174, 177, 180, 183, 186, 189, 192, 195, 198, 201, 204, 207, 210, 213, 216, 219, 222, 225, 228, 231, 234, 237, 240, 243, 246, 249, 252, 255, 258, 261, 264, 267, 270, 273, 276, 279, 282, 285, 288, 291, 294, 297, 300, 303, 306, 309, 312, 315, 318, 321, 324, 327, 330, 333, 336, 339, 342, 345, 348, 351, 354, 357, 360, 363, 366, 369, 372, 375, 378, 381, 384, 387, 390, 393, 396, 399, 402, 405, 408, 411, 414, 417, 420, 423, 426, 429, 432, 435, 438, 441, 444, 447, 450, 453, 456, 459, 462, 465, 468, 471, 474, 477, 480, 483, 486, 489, 492, 495, 498, 501, 504, 507, 510, 513, 516, 519, 522, 525, 528, 531, 534, 537, 540, 543, 546, 549, 552, 555, 558, 561, 564, 567, 570, 573, 576]