A195222 - cp's OEIS frontend

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.

n	a(n)
1	2277
2	176471
3	3395245
4	31640829
5	189677411
6	845613769
7	3048698613
8	9369900047
9	25430520379
10	62478288201
11	141479051231
12	299315365855
13	597820942629
14	1136532061199
15	2070203713171
16	3632319367413
17	6166018879097
18	10164079181491

[2277, 176471, 3395245, 31640829, 189677411, 845613769, 3048698613, 9369900047, 25430520379, 62478288201, 141479051231, 299315365855, 597820942629, 1136532061199, 2070203713171, 3632319367413, 6166018879097, 10164079181491]

cp's OEIS Frontend

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.

Table of values

List of values