A105599 - cp's OEIS frontend

A105599 Triangle read by rows: T(n, m) = number of forests with n nodes and m labeled trees. Also number of forests with exactly n - m edges on n labeled nodes.

n	a(n)
1	1
2	1
3	1
4	3
5	3
6	1
7	16
8	15
9	6
10	1
11	125
12	110
13	45
14	10
15	1
16	1296
17	1080
18	435
19	105
20	15
21	1
22	16807
23	13377
24	5250
25	1295
26	210
27	21
28	1
29	262144
30	200704
31	76608
32	18865
33	3220
34	378
35	28
36	1
37	4782969
38	3542940
39	1316574
40	320544
41	55755
42	7056
43	630
44	36
45	1
46	100000000
47	72000000
48	26100000
49	6258000
50	1092105
51	143325
52	14070
53	990
54	45
55	1

[1, 1, 1, 3, 3, 1, 16, 15, 6, 1, 125, 110, 45, 10, 1, 1296, 1080, 435, 105, 15, 1, 16807, 13377, 5250, 1295, 210, 21, 1, 262144, 200704, 76608, 18865, 3220, 378, 28, 1, 4782969, 3542940, 1316574, 320544, 55755, 7056, 630, 36, 1, 100000000, 72000000, 26100000, 6258000, 1092105, 143325, 14070, 990, 45, 1]

cp's OEIS Frontend

A105599 Triangle read by rows: T(n, m) = number of forests with n nodes and m labeled trees. Also number of forests with exactly n - m edges on n labeled nodes.

Table of values

List of values