Number of (n+1) X (3+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 1,2 or 1,0.

A264000

Number of (n+1) X (3+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,0 1,2 or 1,0.

Terms

    a(0) =81a(1) =1089a(2) =34225a(3) =833569a(4) =22819729a(5) =604028929a(6) =16226938225a(7) =434018757601

External references