A241437 - cp's OEIS frontend

A241437 Number of 3 X n 0..3 arrays with no element equal to one plus the sum of elements to its left or one 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	2
3	22
4	74
5	158
6	448
7	1272
8	3284
9	8331
10	23365
11	63819
12	159963
13	450553
14	1178189
15	3085252
16	8574583
17	21981254
18	59397292
19	161093107
20	416692229
21	1133829778
22	3023012096
23	7951525097
24	21508340343
25	56988406704
26	151552827477
27	406957891025

[4, 2, 22, 74, 158, 448, 1272, 3284, 8331, 23365, 63819, 159963, 450553, 1178189, 3085252, 8574583, 21981254, 59397292, 161093107, 416692229, 1133829778, 3023012096, 7951525097, 21508340343, 56988406704, 151552827477, 406957891025]

cp's OEIS Frontend

A241437 Number of 3 X n 0..3 arrays with no element equal to one plus the sum of elements to its left or one 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