A335461 - cp's OEIS frontend

A335461 Triangle read by rows where T(n,k) is the number of patterns of length n with k runs.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	4
9	8
10	0
11	1
12	6
13	24
14	44
15	0
16	1
17	8
18	48
19	176
20	308
21	0
22	1
23	10
24	80
25	440
26	1540
27	2612
28	0
29	1
30	12
31	120
32	880
33	4620
34	15672
35	25988
36	0
37	1
38	14
39	168
40	1540
41	10780
42	54852
43	181916
44	296564
45	0
46	1
47	16
48	224
49	2464
50	21560
51	146272
52	727664
53	2372512
54	3816548

[1, 0, 1, 0, 1, 2, 0, 1, 4, 8, 0, 1, 6, 24, 44, 0, 1, 8, 48, 176, 308, 0, 1, 10, 80, 440, 1540, 2612, 0, 1, 12, 120, 880, 4620, 15672, 25988, 0, 1, 14, 168, 1540, 10780, 54852, 181916, 296564, 0, 1, 16, 224, 2464, 21560, 146272, 727664, 2372512, 3816548]

cp's OEIS Frontend

A335461 Triangle read by rows where T(n,k) is the number of patterns of length n with k runs.

Table of values

List of values