A240271 - cp's OEIS frontend

A240271 T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or one 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	2
2	4
3	3
4	10
5	7
6	4
7	24
8	35
9	14
10	7
11	56
12	157
13	118
14	36
15	10
16	132
17	713
18	919
19	582
20	72
21	15
22	312
23	3263
24	7562
25	8265
26	2000
27	170
28	24
29	736
30	14895
31	64721
32	126286
33	49921
34	8353
35	411
36	35
37	1736
38	68101
39	563496
40	2059061
41	1363144
42	382690
43	37422
44	879
45	54
46	4096
47	311509
48	4956889

[2, 4, 3, 10, 7, 4, 24, 35, 14, 7, 56, 157, 118, 36, 10, 132, 713, 919, 582, 72, 15, 312, 3263, 7562, 8265, 2000, 170, 24, 736, 14895, 64721, 126286, 49921, 8353, 411, 35, 1736, 68101, 563496, 2059061, 1363144, 382690, 37422, 879, 54, 4096, 311509, 4956889]

cp's OEIS Frontend

A240271 T(n,k)=Number of nXk 0..3 arrays with no element equal to zero plus the sum of elements to its left or one 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