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A189609 Number of nX8 array permutations with each element not moving, or moving one space E, S or NW 1

%I

%S 1,277,11568,671452,36212912,1968061359,106717857552,5778059258273,

%T 312573095738121,16898643737922425,913264073225048477,

%U 49345410349072594251,2665888554266786412238,144014204839657901069783

%N Number of nX8 array permutations with each element not moving, or moving one space E, S or NW

%C Column 8 of A189610

%H R. H. Hardin, <a href="/A189609/b189609.txt">Table of n, a(n) for n = 1..200</a>

%e Some solutions for 3X8

%e ..9..0..2.12..4..5..6..7....9..0..2.12.13.14..5..7....0..1.11.12..3..5.15..6

%e .17..1.19..3.11.22.13.15...17..1.10..3..4.22..6.15....8..9..2.10..4.13.14..7

%e ..8.16.10.18.20.21.14.23....8.16.18.11.19.20.21.23...16.17.18.19.20.21.22.23

%K nonn

%O 1,2

%A _R. H. Hardin_ Apr 24 2011

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Last modified May 19 05:04 EDT 2022. Contains 353826 sequences. (Running on oeis4.)