A241303 - cp's OEIS frontend

A241303 Number of nX4 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 zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

n	a(n)
1	6
2	25
3	74
4	330
5	1145
6	4499
7	15827
8	58043
9	209838
10	757771
11	2745263
12	9924295
13	35873441
14	129961622
15	469870606
16	1700617363
17	6154480549
18	22269120491
19	80588613827
20	291628152979
21	1055299289297
22	3818925623420
23	13819524339631

[6, 25, 74, 330, 1145, 4499, 15827, 58043, 209838, 757771, 2745263, 9924295, 35873441, 129961622, 469870606, 1700617363, 6154480549, 22269120491, 80588613827, 291628152979, 1055299289297, 3818925623420, 13819524339631]

cp's OEIS Frontend

A241303 Number of nX4 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 zero plus the sum of the elements diagonally to its northwest or zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

Table of values

List of values