A332959 - cp's OEIS frontend

A332959 Triangle read by rows: T(n,k) is the number of labeled forests with n trees and 2n nodes and with the largest tree having exactly k nodes, (n >= 1, 2 <= k <= n+1).

n	a(n)
1	1
2	3
3	12
4	15
5	180
6	240
7	105
8	5040
9	6720
10	7000
11	945
12	151200
13	352800
14	315000
15	272160
16	10395
17	6029100
18	21067200
19	20790000
20	17962560
21	13311144
22	135135
23	276215940
24	1387386000
25	1765764000
26	1471133664
27	1211314104
28	787218432
29	2027025
30	14983768800
31	105945840000
32	165225060000
33	146023637760
34	121131410400
35	94466211840
36	54717165360

[1, 3, 12, 15, 180, 240, 105, 5040, 6720, 7000, 945, 151200, 352800, 315000, 272160, 10395, 6029100, 21067200, 20790000, 17962560, 13311144, 135135, 276215940, 1387386000, 1765764000, 1471133664, 1211314104, 787218432, 2027025, 14983768800, 105945840000, 165225060000, 146023637760, 121131410400, 94466211840, 54717165360]

cp's OEIS Frontend

A332959 Triangle read by rows: T(n,k) is the number of labeled forests with n trees and 2n nodes and with the largest tree having exactly k nodes, (n >= 1, 2 <= k <= n+1).

Table of values

List of values