A195248 - cp's OEIS frontend

A195248 T(n,k) = Number of lower triangles of an n X n 0..k array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.

n	a(n)
1	2
2	3
3	8
4	4
5	27
6	64
7	5
8	46
9	729
10	1024
11	6
12	65
13	1682
14	59049
15	32768
16	7
17	84
18	2729
19	190514
20	14348907
21	2097152
22	8
23	103
24	3776
25	357847
26	67379894
27	10460353203
28	268435456
29	9
30	122
31	4823
32	533142
33	147824001
34	74236765958
35	22876792454961
36	68719476736
37	10
38	141

[2, 3, 8, 4, 27, 64, 5, 46, 729, 1024, 6, 65, 1682, 59049, 32768, 7, 84, 2729, 190514, 14348907, 2097152, 8, 103, 3776, 357847, 67379894, 10460353203, 268435456, 9, 122, 4823, 533142, 147824001, 74236765958, 22876792454961, 68719476736, 10, 141]

cp's OEIS Frontend

A195248 T(n,k) = Number of lower triangles of an n X n 0..k array with each element differing from all of its diagonal, vertical, antidiagonal and horizontal neighbors by two or less.

Table of values

List of values