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%I #3 Nov 12 2015 07:06:34
%S 1,277,76729,3204336,133818624,7767356736,450847788304,24315232188224,
%T 1311374995519744,71269232804067408
%N Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change 0,0 0,2 1,0 or -1,-2.
%C Row 7 of A264364.
%e Some solutions for n=3
%e ..6..1..2..3....0..1..2..3....0..7..2..1....0..1..2..3....6..7..2..3
%e ..0..5..4..7....4.11..6..7...10.11..6..3...10.11..4..5....0..1..4..5
%e .14..9..8.11...14..5.10..9....4..5..8..9....8.15..6..7....8..9.10.11
%e .18.13.10.15....8.19.12.13...12.13.14.15...12..9.14.13...18.13.12.15
%e .12.23.16.19...22.23.18.15...22.17.16.19...22.17.16.19...16.23.14.17
%e .20.17.22.21...16.17.20.21...20.27.18.21...20.27.18.23...26.21.20.19
%e .30.31.26.27...30.31.26.27...30.25.24.23...30.21.26.25...24.25.22.27
%e .24.25.28.29...24.25.28.29...28.29.26.31...24.29.28.31...28.29.30.31
%Y Cf. A264364.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 12 2015
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