Number of lower triangles of a 4X4 integer array with each element differing from all of its vertical and horizontal neighbors by n or less and triangles differing by a constant counted only once.
A195280
Number of lower triangles of a 4X4 integer array with each element differing from all of its vertical and horizontal neighbors by n or less and triangles differing by a constant counted only once.
Terms
- a(0) =6939a(1) =626525a(2) =12608631a(3) =119743353a(4) =724789395a(5) =3249312469a(6) =11755976175a(7) =36215968241a(8) =98454861067a(9) =242177297229a(10) =548894457959
External references
- oeis: A195280