A239986 - cp's OEIS frontend

A239986 T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

n	a(n)
1	1
2	1
3	2
4	1
5	3
6	3
7	1
8	4
9	6
10	4
11	1
12	5
13	13
14	16
15	7
16	1
17	6
18	22
19	56
20	40
21	10
22	1
23	7
24	38
25	171
26	261
27	84
28	15
29	1
30	8
31	65
32	530
33	1391
34	935
35	208
36	24
37	1
38	9
39	107
40	1495
41	7113
42	9079
43	4113
44	474
45	35
46	1
47	10
48	169
49	4059
50	31226
51	83658
52	70107
53	16724
54	1047
55	54
56	1
57	11
58	257
59	10121
60	131242
61	652346

[1, 1, 2, 1, 3, 3, 1, 4, 6, 4, 1, 5, 13, 16, 7, 1, 6, 22, 56, 40, 10, 1, 7, 38, 171, 261, 84, 15, 1, 8, 65, 530, 1391, 935, 208, 24, 1, 9, 107, 1495, 7113, 9079, 4113, 474, 35, 1, 10, 169, 4059, 31226, 83658, 70107, 16724, 1047, 54, 1, 11, 257, 10121, 131242, 652346]

cp's OEIS Frontend

A239986 T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or two plus the sum of the elements above it or one plus the sum of the elements diagonally to its northwest, modulo 4.

Table of values

List of values