A240286 - cp's OEIS frontend

A240286 Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.

n	a(n)
1	3
2	19
3	80
4	570
5	2574
6	20764
7	97348
8	802835
9	3797188
10	31467286
11	149131302
12	1237084277
13	5865347475
14	48665192186
15	230756350987
16	1914691579848
17	9079103009997
18	75334276334445
19	357222415759008
20	2964076274068268

[3, 19, 80, 570, 2574, 20764, 97348, 802835, 3797188, 31467286, 149131302, 1237084277, 5865347475, 48665192186, 230756350987, 1914691579848, 9079103009997, 75334276334445, 357222415759008, 2964076274068268]

cp's OEIS Frontend

A240286 Number of 3Xn 0..3 arrays with no element equal to one plus the sum of elements to its left or two plus the sum of the elements above it or zero plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

List of values