cp's OEIS Frontend

A189432 Number of nX6 array permutations with each element not moving, or moving one space N, SW or SE.

%I A189432 #7 Jul 22 2025 11:44:39
%S A189432 1,13,181,2413,40065,606201,9557077,150278792,2367212857,37358187521,
%T A189432 589449930573,9305507958493,146913309982185,2319624020512093,
%U A189432 36626205645266813,578327113990185529,9131891816444663056
%N A189432 Number of nX6 array permutations with each element not moving, or moving one space N, SW or SE.
%C A189432 Column 6 of A189435
%H A189432 R. H. Hardin, <a href="/A189432/b189432.txt">Table of n, a(n) for n = 1..200</a>
%e A189432 Some solutions for 3X6
%e A189432 ..6..1..2..9.10..5....6..7..2..3.10.11....6..7..8..3..4..5....0..7..8..9.10.11
%e A189432 .12..0..8..4..3.11....1..0..8..9..5..4....1..0.14..2.10.11....1.13..3..2..5..4
%e A189432 ..7.13.14.15.16.17...12.13.14.15.16.17...12.13..9.15.16.17...12..6.14.15.16.17
%K A189432 nonn
%O A189432 1,2
%A A189432 _R. H. Hardin_ Apr 22 2011