A240789 - cp's OEIS frontend

A240789 Number of n X 2 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 zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

n	a(n)
1	3
2	4
3	5
4	10
5	13
6	14
7	30
8	32
9	36
10	67
11	79
12	97
13	173
14	191
15	232
16	402
17	464
18	580
19	960
20	1104
21	1400
22	2250
23	2637
24	3388
25	5280
26	6255
27	8117
28	12342
29	14819
30	19374
31	28826
32	35008
33	46021
34	67233
35	82554
36	108956
37	156715
38	194316
39	257170
40	365065
41	456688
42	605532
43	850096
44	1071831

[3, 4, 5, 10, 13, 14, 30, 32, 36, 67, 79, 97, 173, 191, 232, 402, 464, 580, 960, 1104, 1400, 2250, 2637, 3388, 5280, 6255, 8117, 12342, 14819, 19374, 28826, 35008, 46021, 67233, 82554, 108956, 156715, 194316, 257170, 365065, 456688, 605532, 850096, 1071831]

cp's OEIS Frontend

A240789 Number of n X 2 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 zero plus the sum of the elements antidiagonally to its northeast, modulo 4.

Table of values

List of values