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

A264267

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

Terms

    a(0) =25a(1) =256a(2) =3721a(3) =50625a(4) =707281a(5) =9834496a(6) =137007025a(7) =1908029761a(8) =26575846441a(9) =370150560000

External references