A241050 - cp's OEIS frontend

A241050 Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or zero 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	3
2	3
3	4
4	6
5	8
6	12
7	13
8	20
9	28
10	38
11	53
12	68
13	96
14	130
15	178
16	245
17	330
18	454
19	617
20	841
21	1153
22	1563
23	2144
24	2913
25	3982
26	5431
27	7404
28	10111
29	13783
30	18809
31	25665
32	34995
33	47772
34	65135
35	88894
36	121250
37	165416
38	225685
39	307854
40	420020
41	572988
42	781677
43	1066446
44	1454794

[3, 3, 4, 6, 8, 12, 13, 20, 28, 38, 53, 68, 96, 130, 178, 245, 330, 454, 617, 841, 1153, 1563, 2144, 2913, 3982, 5431, 7404, 10111, 13783, 18809, 25665, 34995, 47772, 65135, 88894, 121250, 165416, 225685, 307854, 420020, 572988, 781677, 1066446, 1454794]

cp's OEIS Frontend

A241050 Number of n X 2 0..3 arrays with no element equal to one plus the sum of elements to its left or zero 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