1/6 of the number of 6-colorings of a planar n X n X n triangular grid.

A153469

1/6 of the number of 6-colorings of a planar n X n X n triangular grid.

Terms

    a(0) =1a(1) =20a(2) =1280a(3) =262400a(4) =172336640a(5) =362631649280

External references