A264127 - OEIS

A264127

Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,-2 or 2,-1.

%I #6 Nov 10 2015 11:03:02

%S 64,14994,5336100,791859600,149787576576,29534515247673,

%T 5905008685374120,1148453710559071056,224609350928681097540,

%U 44122398097009194287973,8673148290802546116091008,1703443039446493390387758957

%N Number of (n+1)X(7+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,-2 or 2,-1.

%C Column 7 of A264128.

%H R. H. Hardin, <a href="/A264127/b264127.txt">Table of n, a(n) for n = 1..29</a>

%e Some solutions for n=2

%e ..0.16..8..3..4.11..6.13....0..1..2..3.10.11.12.22....0.16..8..3.10.11..6..7

%e ..2..9.10..5.18..7.14.15....8..9..4..5..6.19.14.21....2..9..4..5.18.19.20.15

%e ..1.17.12.19.20.21.22.23...16.17.18.13.20.15..7.23....1.17.12.13.14.21.22.23

%Y Cf. A264128.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 03 2015