A350635 - cp's OEIS frontend

A350635 Triangle read by rows: T(n,k) is the number of n-element unlabeled P-series with k connected components.

n	a(n)
1	1
2	1
3	1
4	3
5	1
6	1
7	7
8	4
9	1
10	1
11	15
12	10
13	4
14	1
15	1
16	31
17	28
18	11
19	4
20	1
21	1
22	63
23	67
24	31
25	11
26	4
27	1
28	1
29	127
30	167
31	80
32	32
33	11
34	4
35	1
36	1
37	255
38	388
39	213
40	83
41	32
42	11
43	4
44	1
45	1
46	511
47	908
48	534
49	226
50	84
51	32
52	11
53	4
54	1
55	1
56	1023
57	2053
58	1343
59	580
60	229
61	84
62	32
63	11
64	4
65	1
66	1

[1, 1, 1, 3, 1, 1, 7, 4, 1, 1, 15, 10, 4, 1, 1, 31, 28, 11, 4, 1, 1, 63, 67, 31, 11, 4, 1, 1, 127, 167, 80, 32, 11, 4, 1, 1, 255, 388, 213, 83, 32, 11, 4, 1, 1, 511, 908, 534, 226, 84, 32, 11, 4, 1, 1, 1023, 2053, 1343, 580, 229, 84, 32, 11, 4, 1, 1]

cp's OEIS Frontend

A350635 Triangle read by rows: T(n,k) is the number of n-element unlabeled P-series with k connected components.

Table of values

List of values