A239595 - cp's OEIS frontend

A239595 Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

n	a(n)
1	10
2	15
3	31
4	82
5	177
6	458
7	1071
8	2150
9	5209
10	11204
11	24273
12	58130
13	123647
14	278779
15	634283
16	1360984
17	3103558
18	6892041
19	15084730
20	34250268
21	75240998
22	167095718
23	375589317
24	825397281
25	1846103269
26	4114306092
27	9085354958
28	20337008173

[10, 15, 31, 82, 177, 458, 1071, 2150, 5209, 11204, 24273, 58130, 123647, 278779, 634283, 1360984, 3103558, 6892041, 15084730, 34250268, 75240998, 167095718, 375589317, 825397281, 1846103269, 4114306092, 9085354958, 20337008173]

cp's OEIS Frontend

A239595 Number of nX3 0..3 arrays with no element equal to zero plus the sum of elements to its left or one plus the sum of elements above it or one plus the sum of the elements diagonally to its northwest or one plus the sum of the elements antidiagonally to its northeast, modulo 4.

Table of values

List of values