A240188 - cp's OEIS frontend

A240188 Number of nX3 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 three plus the sum of the elements diagonally to its northwest, modulo 4.

n	a(n)
1	1
2	8
3	37
4	138
5	680
6	2413
7	10017
8	43956
9	159668
10	681760
11	2806434
12	10675575
13	45462460
14	181764269
15	715963401
16	3000804172
17	11895218236
18	47847647772
19	197325296591
20	783759057127
21	3182984036915
22	12972975259195
23	51820141213238

[1, 8, 37, 138, 680, 2413, 10017, 43956, 159668, 681760, 2806434, 10675575, 45462460, 181764269, 715963401, 3000804172, 11895218236, 47847647772, 197325296591, 783759057127, 3182984036915, 12972975259195, 51820141213238]

cp's OEIS Frontend

A240188 Number of nX3 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 three plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

List of values