A241057 - cp's OEIS frontend

A241057 Number of 4Xn 0..3 arrays with no element equal to one 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	6
2	6
3	6
4	64
5	163
6	280
7	1423
8	4167
9	13389
10	46605
11	146031
12	518568
13	1559943
14	5448063
15	18661041
16	57879161
17	201222626
18	664132824
19	2176050370
20	7339658200
21	24139869513
22	80786317859
23	267972379590
24	888853920796
25	2971967179489
26	9838548423147

[6, 6, 6, 64, 163, 280, 1423, 4167, 13389, 46605, 146031, 518568, 1559943, 5448063, 18661041, 57879161, 201222626, 664132824, 2176050370, 7339658200, 24139869513, 80786317859, 267972379590, 888853920796, 2971967179489, 9838548423147]

cp's OEIS Frontend

A241057 Number of 4Xn 0..3 arrays with no element equal to one 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