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.
%I A361926 #7 Apr 01 2023 08:50:15 %S A361926 1,2,3,4,6,5,7,8,10,9,11,14,12,16,13,15,22,21,20,18,17,19,30,33,28,24, %T A361926 26,23,25,38,45,44,35,32,34,27,29,50,57,60,55,42,36,40,31,37,58,75,76, %U A361926 90,66,49,48,46,39,41,74,87,100,95,105,77,56,52,54,43 %N A361926 Square array A(n, k) of distinct positive integers, n, k > 0, read and filled by upwards antidiagonals in the greedy way such that A(n, k) is a multiple of A(n, 1). %C A361926 This sequence is a variant of A361748. %C A361926 As a flat sequence, this is a permutation of the positive integers with inverse A361940. %H A361926 Rémy Sigrist, <a href="/A361926/a361926.gp.txt">PARI program</a> %H A361926 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a> %e A361926 Array A(n, k) begins: %e A361926 n\k | 1 2 3 4 5 6 7 8 9 10 %e A361926 ----+----------------------------------------------- %e A361926 1 | 1 3 5 9 13 17 23 27 31 39 %e A361926 2 | 2 6 10 16 18 26 34 40 46 54 %e A361926 3 | 4 8 12 20 24 32 36 48 52 64 %e A361926 4 | 7 14 21 28 35 42 49 56 63 70 %e A361926 5 | 11 22 33 44 55 66 77 88 99 110 %e A361926 6 | 15 30 45 60 90 105 120 135 165 180 %e A361926 7 | 19 38 57 76 95 114 133 152 171 190 %e A361926 8 | 25 50 75 100 125 150 175 200 225 250 %e A361926 9 | 29 58 87 116 145 174 203 232 261 290 %e A361926 10 | 37 74 111 148 185 222 259 296 333 370 %o A361926 (PARI) See Links section. %Y A361926 Cf. A361748, A361940 (inverse). %K A361926 nonn,tabl %O A361926 1,2 %A A361926 _Rémy Sigrist_, Mar 30 2023