Number of lower triangles of a 4 X 4 integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by n or less and triangles differing by a constant counted only once.
A195222
Number of lower triangles of a 4 X 4 integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by n or less and triangles differing by a constant counted only once.
Terms
- a(0) =2277a(1) =176471a(2) =3395245a(3) =31640829a(4) =189677411a(5) =845613769a(6) =3048698613a(7) =9369900047a(8) =25430520379a(9) =62478288201a(10) =141479051231a(11) =299315365855a(12) =597820942629
External references
- oeis: A195222