A339428 - cp's OEIS frontend

A339428 Triangle read by rows: T(n,k) is the number of connected functions on n points with a loop of length k.

n	a(n)
1	1
2	1
3	1
4	2
5	1
6	1
7	4
8	3
9	1
10	1
11	9
12	6
13	3
14	1
15	1
16	20
17	16
18	9
19	4
20	1
21	1
22	48
23	37
24	23
25	11
26	4
27	1
28	1
29	115
30	96
31	62
32	35
33	14
34	5
35	1
36	1
37	286
38	239
39	169
40	97
41	46
42	18
43	5
44	1
45	1
46	719
47	622
48	451
49	282
50	145
51	63
52	21
53	6
54	1
55	1
56	1842
57	1607
58	1217
59	792
60	440
61	206
62	80
63	25
64	6
65	1
66	1

[1, 1, 1, 2, 1, 1, 4, 3, 1, 1, 9, 6, 3, 1, 1, 20, 16, 9, 4, 1, 1, 48, 37, 23, 11, 4, 1, 1, 115, 96, 62, 35, 14, 5, 1, 1, 286, 239, 169, 97, 46, 18, 5, 1, 1, 719, 622, 451, 282, 145, 63, 21, 6, 1, 1, 1842, 1607, 1217, 792, 440, 206, 80, 25, 6, 1, 1]

cp's OEIS Frontend

A339428 Triangle read by rows: T(n,k) is the number of connected functions on n points with a loop of length k.

Table of values

List of values