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 A329118 #15 Sep 11 2021 18:03:22 %S A329118 1,1,1,1,5,1,1,24,24,1,1,116,235,116,1,1,560,2922,2922,560,1,1,2704, %T A329118 38169,96371,38169,2704,1,1,13056,494596,3764367,3764367,494596,13056, %U A329118 1,1,63040,6375379,150610151,447544629,150610151,6375379,63040,1,1,304384,82191766,5898799685,56182569218,56182569218,5898799685,82191766,304384,1 %N A329118 Array read by antidiagonals: T(m, n) is the number of simple paths from corner to diagonally opposite corner on an m X n grid with king moves allowed. %H A329118 Andrew Howroyd, <a href="/A329118/b329118.txt">Table of n, a(n) for n = 1..231</a> %e A329118 Array begins: %e A329118 =================================================================== %e A329118 m\n | 1 2 3 4 5 6 %e A329118 ----+-------------------------------------------------------------- %e A329118 1 | 1 1 1 1 1 1 ... %e A329118 2 | 1 5 24 116 560 2704 ... %e A329118 3 | 1 24 235 2922 38169 494596 ... %e A329118 4 | 1 116 2922 96371 3764367 150610151 ... %e A329118 5 | 1 560 38169 3764367 447544629 56182569218 ... %e A329118 6 | 1 2704 494596 150610151 56182569218 22132498074021 ... %e A329118 7 | 1 13056 6375379 5898799685 6972159602221 8656506756327178 ... %e A329118 ... %Y A329118 Rows 2..6 are A086347, A193168, A193170, A193171, A193172. %Y A329118 Main diagonal is A140518. %Y A329118 Cf. A158651, A272445, A288033. %K A329118 nonn,walk,tabl %O A329118 1,5 %A A329118 _Andrew Howroyd_, Nov 05 2019