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A263976 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change (+-,+-) 0,2 1,1 or 1,0.

%I A263976 #5 Nov 10 2015 10:32:23
%S A263976 0,13856,2940624,226810352,24130893568,4071813326144,609140174072448,
%T A263976 78375823545772864
%N A263976 Number of (4+1)X(n+1) arrays of permutations of 0..n*5+4 with each element having index change (+-,+-) 0,2 1,1 or 1,0.
%C A263976 Row 4 of A263973.
%e A263976 Some solutions for n=2
%e A263976 ..2..5..0....2..5..0....4..5..0....2..5..0....2..5..0....2..3..0....2..4..5
%e A263976 ..1..7..8....1..8..7....1..2..7....1..6..8....1..8..3....5..1..7....1..0..8
%e A263976 ..4..3.11....4..3..6....9..3.10....3.10..4....4.11..6....9..4.11....3..9.11
%e A263976 .13..6..9...12.14.13....6.13..8...13.12..7...13.12..7....6.13..8...13..6..7
%e A263976 .14.10.12....9.10.11...14.11.12...14..9.11...14..9.10...14.10.12...14.10.12
%Y A263976 Cf. A263973.
%K A263976 nonn
%O A263976 1,2
%A A263976 _R. H. Hardin_, Oct 30 2015