A227924 - cp's OEIS frontend

A227924 Triangle T(n,k): the number of binary sequences of n zeros and n ones in which the shortest run is of length k.

n	a(n)
1	2
2	4
3	2
4	18
5	0
6	2
7	64
8	4
9	0
10	2
11	238
12	12
13	0
14	0
15	2
16	890
17	28
18	4
19	0
20	0
21	2
22	3348
23	70
24	12
25	0
26	0
27	0
28	2
29	12662
30	182
31	20
32	4
33	0
34	0
35	0
36	2
37	48102
38	466
39	38
40	12
41	0
42	0
43	0
44	0
45	2
46	183460
47	1186
48	84
49	20
50	4
51	0
52	0
53	0
54	0
55	2

[2, 4, 2, 18, 0, 2, 64, 4, 0, 2, 238, 12, 0, 0, 2, 890, 28, 4, 0, 0, 2, 3348, 70, 12, 0, 0, 0, 2, 12662, 182, 20, 4, 0, 0, 0, 2, 48102, 466, 38, 12, 0, 0, 0, 0, 2, 183460, 1186, 84, 20, 4, 0, 0, 0, 0, 2]

cp's OEIS Frontend

A227924 Triangle T(n,k): the number of binary sequences of n zeros and n ones in which the shortest run is of length k.

Table of values

List of values