Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 4 X 4 X 4 subtriangle summing to 7.
A154064
Number of planar triangular n X n X n nonnegative integer grids with every similarly oriented 4 X 4 X 4 subtriangle summing to 7.
Terms
- a(0) =11440a(1) =126244a(2) =617209a(3) =1592776a(4) =2882457a(5) =5488397a(6) =3815529a(7) =2217346a(8) =1107328a(9) =574328a(10) =312405a(11) =273454a(12) =263508a(13) =309750
External references
- oeis: A154064