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A264674 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.

%I A264674 #4 Nov 20 2015 19:50:36
%S A264674 3,201,3698,88687,2025372,43095017,918298857,19297801298,404856272120,
%T A264674 8489260394876,177705197746797,3719732870934290,77850133987381370,
%U A264674 1629084572098790038,34089792233147972596,713335964676746507000
%N A264674 Number of (n+1)X(6+1) arrays of permutations of 0..n*7+6 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.
%C A264674 Column 6 of A264676.
%H A264674 R. H. Hardin, <a href="/A264674/b264674.txt">Table of n, a(n) for n = 1..210</a>
%e A264674 Some solutions for n=4
%e A264674 ..8..9..1..2.13..4..5....8.17..1.12..3..4..5....9..0..1..2.13..4..5
%e A264674 ..0.16.25..3.10.11..6....0..7..2..9.19.20..6...16.17..8..3.10.11..6
%e A264674 ..7.23.24.26.17.12.19...22.14.24.10.11.18.13....7.31.24.26.27.12.19
%e A264674 .14.15.22.33.18.34.20...29.15.16.33.34.25.26...14.15.22.23.18.34.20
%e A264674 .21.28.29.30.31.32.27...21.28.23.30.31.32.27...21.28.29.30.25.32.33
%Y A264674 Cf. A264676.
%K A264674 nonn
%O A264674 1,1
%A A264674 _R. H. Hardin_, Nov 20 2015