A240156 - cp's OEIS frontend

A240156 Number of 4Xn 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 one 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	7
2	25
3	67
4	676
5	1328
6	5701
7	24419
8	52676
9	243555
10	876504
11	2400051
12	10681824
13	37465330
14	108284648
15	460964686
16	1527396439
17	4792821890
18	19591078862
19	63187977557
20	212419410767
21	830175708307
22	2671224202187
23	9338356637595

[7, 25, 67, 676, 1328, 5701, 24419, 52676, 243555, 876504, 2400051, 10681824, 37465330, 108284648, 460964686, 1527396439, 4792821890, 19591078862, 63187977557, 212419410767, 830175708307, 2671224202187, 9338356637595]

cp's OEIS Frontend

A240156 Number of 4Xn 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 one 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