A195215 - cp's OEIS frontend

A195215 Number of lower triangles of an n X n integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by 3 or less and triangles differing by a constant counted only once.

n	a(n)
1	1
2	37
3	5453
4	3395245
5	9032683465
6	103565705397639
7	5137554141710397313
8	1105495964728300359472149
9	1033611648181176182212080096433
10	4204060119607140359160709072654583501

[1, 37, 5453, 3395245, 9032683465, 103565705397639, 5137554141710397313, 1105495964728300359472149, 1033611648181176182212080096433, 4204060119607140359160709072654583501]

cp's OEIS Frontend

A195215 Number of lower triangles of an n X n integer array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by 3 or less and triangles differing by a constant counted only once.

Table of values

List of values