cp's OEIS Frontend

A189251 Number of nX6 array permutations with each element making zero or one king moves.

%I A189251 #7 Jul 22 2025 11:37:56
%S A189251 13,62272,44308389,56892084785,62111749014784,71437033921822425,
%T A189251 81032653651506521333,92340416748367645903936,
%U A189251 105103003634568916624818957,119678361478200246096700911625
%N A189251 Number of nX6 array permutations with each element making zero or one king moves.
%C A189251 Column 6 of A189254
%H A189251 R. H. Hardin, <a href="/A189251/b189251.txt">Table of n, a(n) for n = 1..127</a>
%e A189251 Some solutions for 3X6
%e A189251 ..0..1..2..8..3..4....0..1..2..8..3.11....0..1..2..8..3.11....0..1..2..8..4..5
%e A189251 ..7.12.15..9..5.10....7.13.14..4..5.17....6.14.13.16..4..5....7.14..9..3.10.11
%e A189251 ..6.13.14.16.11.17...12..6..9.15.16.10....7.12..9.10.15.17...12..6.13.15.17.16
%K A189251 nonn
%O A189251 1,1
%A A189251 _R. H. Hardin_ Apr 19 2011