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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 0,1 or 1,2. 1

%I

%S 128,28657,12100000,1861931060,448121165789,98725402363225,

%T 23180312098708413,5190313095361393549,1189964170757867345445,

%U 271062838744567222384845,61955353860458361394198745

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

%C Row 7 of A264071.

%H R. H. Hardin, <a href="/A264076/b264076.txt">Table of n, a(n) for n = 1..34</a>

%e Some solutions for n=2

%e ..4..5..2....0..1..2....4..5..2....4..5..2....0..5..2....4..5..2....0..5..2

%e ..7..0..1....8..4..5....8..0..1....3..0..1....8..4..1....8..0..1....3..4..1

%e .11..3..8...10.11..3...10..7..3...11..7..8....6..7..3....6..7..3...10.11..8

%e .13.14..6....9..6..7....9..6.11...13.10..6...14.10.11...14.10.11...13..6..7

%e .17..9.10...17.13.14...12.13.14...17..9.14...17.13..9...12.17..9...12..9.14

%e .20.16.12...15.16.12...20.16.17...15.16.12...15.20.12...15.16.13...15.16.17

%e .18.23.15...22.23.20...18.19.15...22.23.20...22.23.16...18.23.20...22.19.20

%e .21.22.19...21.18.19...21.22.23...21.18.19...21.18.19...21.22.19...21.18.23

%Y Cf. A264071.

%K nonn

%O 1,1

%A _R. H. Hardin_, Nov 02 2015

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Last modified January 21 11:28 EST 2022. Contains 350477 sequences. (Running on oeis4.)