This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
rows = 100; cols = 2; t = Range[2, 10^4]; r = {1}; n = 1; While[n <= rows, k = First[t]; AppendTo[r, k]; t0 = t; t = Drop[t, {1, -1, k}]; ro[n++] = Complement[t0, t][[1 ;; cols]]]; A = Array[ro, rows]; Table[A[[n, 2]], {n, 1, rows} ] (* Jean-François Alcover, Mar 14 2016, after Ray Chandler *)
(define (A254100 n) (A255127bi n 2)) ;; A255127bi given in A255127.
The top left 16 x 15 corner of the array: 1, 5, 9, 13, 17, 21, 25, 29, 33, 37, 41, 45, 49, 53, 57, 61 2, 10, 20, 28, 38, 46, 56, 64, 74, 82, 92, 100, 110, 118, 128, 136 2, 12, 24, 36, 48, 58, 68, 82, 92, 102, 114, 126, 138, 148, 158, 172 4, 24, 44, 66, 90, 114, 136, 152, 174, 202, 222, 244, 264, 284, 310, 330 2, 18, 30, 46, 60, 74, 86, 106, 120, 128, 150, 162, 174, 192, 204, 216 4, 28, 54, 84, 104, 136, 162, 180, 210, 238, 260, 288, 318, 346, 366, 396 6, 44, 84, 122, 156, 194, 234, 282, 316, 348, 388, 428, 464, 504, 548, 584 2, 22, 40, 54, 76, 90, 102, 122, 144, 164, 180, 198, 210, 230, 240, 264 4, 38, 60, 94, 120, 150, 190, 210, 240, 270, 302, 330, 364, 390, 430, 456 8, 48, 116, 162, 236, 288, 336, 406, 446, 510, 576, 622, 680, 738, 786, 844 4, 40, 76, 104, 136, 166, 194, 212, 270, 298, 318, 356, 382, 412, 462, 492 2, 24, 38, 52, 62, 108, 124, 148, 150, 182, 198, 222, 242, 260, 272, 300 4, 38, 70, 116, 148, 164, 210, 240, 270, 300, 354, 388, 414, 448, 474, 504 6, 58, 102, 142, 194, 234, 290, 348, 408, 436, 460, 524, 576, 630, 696, 726 8, 60, 134, 204, 256, 322, 390, 446, 498, 578, 642, 684, 774, 828, 870, 948
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