The OEIS is supported by the many generous donors to the OEIS Foundation.
%I #4 Nov 20 2015 19:46:38
%S 0,2,34,890,123222,43095017,40765995197,117336061482333
%N Number of (n+1)X(n+1) arrays of permutations of 0..(n+1)^2-1 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1.
%C Diagonal of A264676.
%e Some solutions for n=4
%e ..6..0..8..9..3....6.13..1..2..3....6..0..1..9..3....7.13..1..2..3
%e .17..1..2..7..4....0.12.14..7..4...12..5..2..7..4....0.12..6.14..4
%e ..5.10.19.12.13....5.10.11..8..9...17.18.11..8.13....5.17.19..8..9
%e .22.11.16.24.14...21.23.16.24.18...10.23.16.24.14...10.11.16.24.18
%e .15.20.21.18.23...15.20.17.22.19...15.20.21.22.19...15.20.21.22.23
%Y Cf. A264676.
%K nonn
%O 1,2
%A _R. H. Hardin_, Nov 20 2015