A301669 - cp's OEIS frontend

A301669 T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.

n	a(n)
1	0
2	1
3	1
4	1
5	3
6	1
7	2
8	10
9	10
10	2
11	3
12	23
13	30
14	23
15	3
16	5
17	61
18	118
19	118
20	61
21	5
22	8
23	162
24	407
25	564
26	407
27	162
28	8
29	13
30	421
31	1498
32	2793
33	2793
34	1498
35	421
36	13
37	21
38	1103
39	5289
40	14394
41	21224
42	14394
43	5289
44	1103
45	21
46	34
47	2890
48	19184
49	71564
50	146841
51	146841
52	71564
53	19184
54	2890
55	34
56	55

[0, 1, 1, 1, 3, 1, 2, 10, 10, 2, 3, 23, 30, 23, 3, 5, 61, 118, 118, 61, 5, 8, 162, 407, 564, 407, 162, 8, 13, 421, 1498, 2793, 2793, 1498, 421, 13, 21, 1103, 5289, 14394, 21224, 14394, 5289, 1103, 21, 34, 2890, 19184, 71564, 146841, 146841, 71564, 19184, 2890, 34, 55]

cp's OEIS Frontend

A301669 T(n,k)=Number of nXk 0..1 arrays with every element equal to 1, 2 or 4 horizontally or vertically adjacent elements, with upper left element zero.

Table of values

List of values