A241430 - cp's OEIS frontend

A241430 Number of nX3 0..3 arrays with no element equal to one 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 one plus the sum of the elements antidiagonally to its northeast, modulo 4.

n	a(n)
1	4
2	10
3	22
4	97
5	213
6	381
7	1005
8	1900
9	4137
10	10518
11	21092
12	47994
13	111034
14	227786
15	526558
16	1173266
17	2506934
18	5760387
19	12607288
20	27523425
21	62352333
22	135931174
23	300820619
24	674058895
25	1474383381
26	3279987103
27	7290574867
28	16018404203

[4, 10, 22, 97, 213, 381, 1005, 1900, 4137, 10518, 21092, 47994, 111034, 227786, 526558, 1173266, 2506934, 5760387, 12607288, 27523425, 62352333, 135931174, 300820619, 674058895, 1474383381, 3279987103, 7290574867, 16018404203]

cp's OEIS Frontend

A241430 Number of nX3 0..3 arrays with no element equal to one 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 one plus the sum of the elements antidiagonally to its northeast, modulo 4.

Table of values

List of values