A209324 - cp's OEIS frontend

A209324 Triangular array read by rows: T(n,k) is the number of endofunctions f:{1,2,...,n}-> {1,2,...,n} whose largest component has exactly k nodes; n>=1, 1<=k<=n.

n	a(n)
1	1
2	1
3	3
4	1
5	9
6	17
7	1
8	45
9	68
10	142
11	1
12	165
13	680
14	710
15	1569
16	1
17	855
18	6290
19	8520
20	9414
21	21576
22	1
23	3843
24	47600
25	134190
26	131796
27	151032
28	355081
29	1
30	21819
31	481712
32	1838900
33	2372328
34	2416512
35	2840648
36	6805296
37	1
38	114075
39	5025608
40	21488292
41	50609664
42	48934368
43	51131664
44	61247664
45	148869153

[1, 1, 3, 1, 9, 17, 1, 45, 68, 142, 1, 165, 680, 710, 1569, 1, 855, 6290, 8520, 9414, 21576, 1, 3843, 47600, 134190, 131796, 151032, 355081, 1, 21819, 481712, 1838900, 2372328, 2416512, 2840648, 6805296, 1, 114075, 5025608, 21488292, 50609664, 48934368, 51131664, 61247664, 148869153]

cp's OEIS Frontend

A209324 Triangular array read by rows: T(n,k) is the number of endofunctions f:{1,2,...,n}-> {1,2,...,n} whose largest component has exactly k nodes; n>=1, 1<=k<=n.

Table of values

List of values