A241051 - cp's OEIS frontend

A241051 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero 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	4
2	2
3	3
4	6
5	6
6	15
7	31
8	58
9	170
10	388
11	677
12	1821
13	3533
14	7379
15	18106
16	37073
17	82436
18	193696
19	400749
20	914323
21	2049019
22	4372160
23	9966006
24	21985585
25	47864157
26	108257464
27	237088178
28	522824937
29	1171545248
30	2567836513
31	5698120668
32	12680572718

[4, 2, 3, 6, 6, 15, 31, 58, 170, 388, 677, 1821, 3533, 7379, 18106, 37073, 82436, 193696, 400749, 914323, 2049019, 4372160, 9966006, 21985585, 47864157, 108257464, 237088178, 522824937, 1171545248, 2567836513, 5698120668, 12680572718]

cp's OEIS Frontend

A241051 Number of nX3 0..3 arrays with no element equal to one plus the sum of elements to its left or zero plus the sum of elements above it or zero 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