A240048 - cp's OEIS frontend

A240048 Number of 3Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the 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	10
3	26
4	72
5	174
6	597
7	1187
8	3115
9	7269
10	16520
11	39181
12	89951
13	210684
14	483773
15	1131924
16	2616441
17	6047969
18	14112456
19	32543109
20	75591535
21	175328537
22	405822918
23	941534652
24	2181820138
25	5057085795
26	11720944941
27	27171466826
28	62973901722

[4, 10, 26, 72, 174, 597, 1187, 3115, 7269, 16520, 39181, 89951, 210684, 483773, 1131924, 2616441, 6047969, 14112456, 32543109, 75591535, 175328537, 405822918, 941534652, 2181820138, 5057085795, 11720944941, 27171466826, 62973901722]

cp's OEIS Frontend

A240048 Number of 3Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or zero plus the sum of the 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