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A264076 Number of (7+1) X (n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,1 or 1,2.

%I A264076 #9 Mar 26 2025 18:20:48
%S A264076 128,28657,12100000,1861931060,448121165789,98725402363225,
%T A264076 23180312098708413,5190313095361393549,1189964170757867345445,
%U A264076 271062838744567222384845,61955353860458361394198745,14139394538378320773485110770,3228834241484744624868474176520
%N A264076 Number of (7+1) X (n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,1 or 1,2.
%H A264076 R. H. Hardin, <a href="/A264076/b264076.txt">Table of n, a(n) for n = 1..34</a>
%e A264076 Some solutions for n=2:
%e A264076 ..4..5..2....0..1..2....4..5..2....4..5..2....0..5..2....4..5..2....0..5..2
%e A264076 ..7..0..1....8..4..5....8..0..1....3..0..1....8..4..1....8..0..1....3..4..1
%e A264076 .11..3..8...10.11..3...10..7..3...11..7..8....6..7..3....6..7..3...10.11..8
%e A264076 .13.14..6....9..6..7....9..6.11...13.10..6...14.10.11...14.10.11...13..6..7
%e A264076 .17..9.10...17.13.14...12.13.14...17..9.14...17.13..9...12.17..9...12..9.14
%e A264076 .20.16.12...15.16.12...20.16.17...15.16.12...15.20.12...15.16.13...15.16.17
%e A264076 .18.23.15...22.23.20...18.19.15...22.23.20...22.23.16...18.23.20...22.19.20
%e A264076 .21.22.19...21.18.19...21.22.23...21.18.19...21.18.19...21.22.19...21.18.23
%Y A264076 Row 7 of A264071.
%K A264076 nonn
%O A264076 1,1
%A A264076 _R. H. Hardin_, Nov 02 2015