A239989 - cp's OEIS frontend

A239989 Number of 5Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

n	a(n)
1	7
2	40
3	261
4	1391
5	7113
6	31226
7	131242
8	514539
9	1914507
10	6772946
11	22897312
12	74168162
13	230889987
14	691544987
15	1994352403
16	5541664374
17	14851119427
18	38433580993
19	96194422578
20	233234971795
21	548761214881
22	1255035407604

[7, 40, 261, 1391, 7113, 31226, 131242, 514539, 1914507, 6772946, 22897312, 74168162, 230889987, 691544987, 1994352403, 5541664374, 14851119427, 38433580993, 96194422578, 233234971795, 548761214881, 1255035407604]

cp's OEIS Frontend

A239989 Number of 5Xn 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

List of values