A347999 - cp's OEIS frontend

A347999 Triangular array read by rows: T(n,k) is the number of endofunctions f:{1,2,...,n}-> {1,2,...,n} whose smallest connected component has exactly k nodes; n >= 0, 0 <= k <= n.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	3
6	0
7	10
8	0
9	17
10	0
11	87
12	27
13	0
14	142
15	0
16	1046
17	510
18	0
19	0
20	1569
21	0
22	15395
23	6795
24	2890
25	0
26	0
27	21576
28	0
29	269060
30	114912
31	84490
32	0
33	0
34	0
35	355081
36	0
37	5440463
38	2332029
39	1493688
40	705740
41	0
42	0
43	0
44	6805296
45	0
46	124902874
47	53389746
48	32186168
49	28072548
50	0
51	0
52	0
53	0
54	148869153

[1, 0, 1, 0, 1, 3, 0, 10, 0, 17, 0, 87, 27, 0, 142, 0, 1046, 510, 0, 0, 1569, 0, 15395, 6795, 2890, 0, 0, 21576, 0, 269060, 114912, 84490, 0, 0, 0, 355081, 0, 5440463, 2332029, 1493688, 705740, 0, 0, 0, 6805296, 0, 124902874, 53389746, 32186168, 28072548, 0, 0, 0, 0, 148869153]

cp's OEIS Frontend

A347999 Triangular array read by rows: T(n,k) is the number of endofunctions f:{1,2,...,n}-> {1,2,...,n} whose smallest connected component has exactly k nodes; n >= 0, 0 <= k <= n.

Table of values

List of values