1/24 the number of colorings of a 4 X 4 octagonal array with n colors.

A068251

1/24 the number of colorings of a 4 X 4 octagonal array with n colors.

Terms

    a(0) =7a(1) =38960a(2) =11043135a(3) =715016960a(4) =19498281250a(5) =301435761312

External references