A195272 - cp's OEIS frontend

A195272 Number of lower triangles of an n X n integer array with each element differing from all of its vertical and horizontal neighbors by 2 or less and triangles differing by a constant counted only once.

n	a(n)
1	1
2	25
3	2125
4	626525
5	649112125
6	2375645170875
7	30812488814662125
8	1419187229961716246975
9	232443697109891957009442125
10	135513533218801266004475511024825

[1, 25, 2125, 626525, 649112125, 2375645170875, 30812488814662125, 1419187229961716246975, 232443697109891957009442125, 135513533218801266004475511024825]

cp's OEIS Frontend

A195272 Number of lower triangles of an n X n integer array with each element differing from all of its vertical and horizontal neighbors by 2 or less and triangles differing by a constant counted only once.

Table of values

List of values