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 A189352 #7 Jul 22 2025 11:43:51 %S A189352 1,565,30769,4791913,519621497,64731638400,7675175968337, %T A189352 927311536349401,111267210412798665,13385995390731369181, %U A189352 1608827786945127170673,193432938477399402591673,23253629565778621415892480 %N A189352 Number of nX6 array permutations with each element moving one space diagonally, horizontally or vertically. %C A189352 Column 6 of A189355 %H A189352 R. H. Hardin, <a href="/A189352/b189352.txt">Table of n, a(n) for n = 1..200</a> %e A189352 Some solutions for 3X6 %e A189352 ..7..0..1.10..3..4....6..0..3..2..5.11....7..0..8..2..5.11....6..0..3..2..5.11 %e A189352 .12.14..2.15.11..5...12..8..1.15.16..4...12..1.15..3..4.17...12..1.14.15.16..4 %e A189352 .13..6..8..9.17.16...13.14..7..9.17.10....6.14.13.16..9.10...13..7..8..9.17.10 %K A189352 nonn %O A189352 1,2 %A A189352 _R. H. Hardin_ Apr 20 2011