A195213 - cp's OEIS frontend

A195213 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 1 or less and triangles differing by a constant counted only once.

n	a(n)
1	1
2	7
3	91
4	2277
5	111031
6	10654607
7	2021888119
8	761408842173
9	570411420721871
10	851650667866314005
11	2537743716708476573853
12	15108768742290768272235707
13	179885152873727967922701202921
14	4286156683596201247493358770260469

[1, 7, 91, 2277, 111031, 10654607, 2021888119, 761408842173, 570411420721871, 851650667866314005, 2537743716708476573853, 15108768742290768272235707, 179885152873727967922701202921, 4286156683596201247493358770260469]

cp's OEIS Frontend

A195213 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 1 or less and triangles differing by a constant counted only once.

Table of values

List of values