cp's OEIS Frontend

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.

A189184 Number of nX7 array permutations with each element making a single king move.

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%I A189184 #7 Jul 22 2025 11:36:05
%S A189184 0,24577,9925824,24377674329,30863909708032,51019657551661825,
%T A189184 76260881288534294528,118756821701162151227761,
%U A189184 182058599536052537764772096,280897765265782382194137678153
%N A189184 Number of nX7 array permutations with each element making a single king move.
%C A189184 Column 7 of A189186
%H A189184 R. H. Hardin, <a href="/A189184/b189184.txt">Table of n, a(n) for n = 1..46</a>
%e A189184 Some solutions for 3X7
%e A189184 ..1..0..3..2.10..6.12....1..0..3..2..5..4.13....1..0..3..2..5..6.13
%e A189184 .14..7.17..4..5.20.19...14.16..8.11.18.19..6...14..9..8.17.18..4.20
%e A189184 .15..9..8.16.11.18.13...15..7..9.10.17.20.12....7.16.15.10.11.12.19
%K A189184 nonn
%O A189184 1,2
%A A189184 _R. H. Hardin_ Apr 18 2011