A240794 - cp's OEIS frontend

A240794 Number of 3Xn 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 zero 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	4
2	5
3	8
4	19
5	34
6	82
7	278
8	669
9	1969
10	3553
11	9374
12	26252
13	60465
14	172383
15	389427
16	951837
17	2531963
18	6160868
19	15935881
20	39165416
21	97133522
22	245493084
23	614301686
24	1554508080
25	3857975809
26	9676587733
27	24254427054
28	60670014406
29	152847249733

[4, 5, 8, 19, 34, 82, 278, 669, 1969, 3553, 9374, 26252, 60465, 172383, 389427, 951837, 2531963, 6160868, 15935881, 39165416, 97133522, 245493084, 614301686, 1554508080, 3857975809, 9676587733, 24254427054, 60670014406, 152847249733]

cp's OEIS Frontend

A240794 Number of 3Xn 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 zero 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