A195279 - cp's OEIS frontend

A195279 Number of lower triangles of a 3 X 3 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.

n	a(n)
1	171
2	2125
3	11319
4	39609
5	107811
6	248261
7	507375
8	948209
9	1653019
10	2725821
11	4294951
12	6515625
13	9572499
14	13682229
15	19096031
16	26102241
17	35028875
18	46246189
19	60169239
20	77260441
21	98032131
22	123049125
23	152931279
24	188356049
25	230061051

[171, 2125, 11319, 39609, 107811, 248261, 507375, 948209, 1653019, 2725821, 4294951, 6515625, 9572499, 13682229, 19096031, 26102241, 35028875, 46246189, 60169239, 77260441, 98032131, 123049125, 152931279, 188356049, 230061051]

cp's OEIS Frontend

A195279 Number of lower triangles of a 3 X 3 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.

Table of values

List of values