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A264022 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,2 or 2,2.

%I A264022 #6 Nov 10 2015 10:54:21
%S A264022 1,610,372100,46131250,5719140625,1201888840625,252579343635025,
%T A264022 48585262182665120,9345687843615794176,1837459507629935674144,
%U A264022 361263664983848912725561,70936527322260095931846664
%N A264022 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having index change +-(.,.) 0,0 1,2 or 2,2.
%C A264022 Row 7 of A264017.
%H A264022 R. H. Hardin, <a href="/A264022/b264022.txt">Table of n, a(n) for n = 1..60</a>
%e A264022 Some solutions for n=2
%e A264022 ..5..1..2....0..1..2....0..1..2....8..1..2....5..1..2....0..1..2....5..1..2
%e A264022 ..8..4..0....3..4..5....8..4..5...11..4..5...11..4..0....3..4..5...11..4..0
%e A264022 .14..7..3...14..7..8...11..7..3...14..7..0....6..7..8....6..7..8...14..7..8
%e A264022 ..9.10.11...17.10.11....9.10..6....9.10..3...14.10..3....9.10.11....9.10..3
%e A264022 .12.13..6...20.13..6...20.13.14...17.13..6...17.13..9...17.13.14...17.13..6
%e A264022 .20.16.17...23.16..9...15.16.17...20.16.12...20.16.12...15.16.12...23.16.12
%e A264022 .18.19.15...18.19.12...23.19.12...18.19.15...18.19.15...23.19.20...18.19.20
%e A264022 .21.22.23...21.22.15...21.22.18...21.22.23...21.22.23...21.22.18...21.22.15
%Y A264022 Cf. A264017.
%K A264022 nonn
%O A264022 1,2
%A A264022 _R. H. Hardin_, Nov 01 2015