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 A189148 #6 Jul 22 2025 11:34:18 %S A189148 1,36,4372,602565,46350185,5025299720,585494657168,64669361584729 %N A189148 Number of nX5 array permutations with each element making zero or one knight moves. %C A189148 Column 5 of A189150 %e A189148 Some solutions for 3X5 %e A189148 ..7..8..5.12.13....0.12..5.14.13....7.10..2.14..4....0..8.11..6..7 %e A189148 ..2..6.14.11..9....2..6.10.11..9...12.13..0.11..9....5.13.14..1.12 %e A189148 .10..0..1..4..3....1..8..3..4..7....1..8..5..6..3...10..2..9..4..3 %K A189148 nonn %O A189148 1,2 %A A189148 _R. H. Hardin_ Apr 17 2011