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%I #6 Nov 10 2015 11:24:24
%S 256,54289,24010000,4994107561,1545608400625,415614152704689,
%T 119272286997956401,33694391736828328401,9593262514897519334464,
%U 2727340296376737551265625,776007812558267854021437696
%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 2,-2.
%C Row 7 of A264090.
%H R. H. Hardin, <a href="/A264096/b264096.txt">Table of n, a(n) for n = 1..108</a>
%e Some solutions for n=2
%e ..1..0..2....0..2..1....0..2..1....1..0..2....0..2..1....1..0..2....1..0..6
%e ..4..3..9....3..4..5....4..3..9....3..4..5....3..4..5....3..4..5....4..3..5
%e ..6..8..7....6..7.12....7..6.12....6..7.12....7..6..8....7..6..8....2..7.12
%e ..5.10.11...10..9.11....5.10.11...10..9.11....9.10.11....9.10.11...10..9.11
%e .12.14.13....8.14.13....8.13.14....8.13.14...12.14.13...12.13.14....8.14.13
%e .15.17.16...15.16.17...15.16.17...16.15.17...16.15.17...16.15.21...16.15.17
%e .19.18.20...19.18.20...19.18.20...19.18.20...18.19.20...19.18.20...19.18.20
%e .21.23.22...21.22.23...21.22.23...21.22.23...21.23.22...17.22.23...21.22.23
%Y Cf. A264090.
%K nonn
%O 1,1
%A _R. H. Hardin_, Nov 03 2015
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