A094040 - cp's OEIS frontend

A094040 Triangle read by rows: T(n,k) is the number of noncrossing forests with n vertices and k edges.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	3
7	1
8	6
9	14
10	12
11	1
12	10
13	40
14	75
15	55
16	1
17	15
18	90
19	275
20	429
21	273
22	1
23	21
24	175
25	770
26	1911
27	2548
28	1428
29	1
30	28
31	308
32	1820
33	6370
34	13328
35	15504
36	7752
37	1
38	36
39	504
40	3822
41	17640
42	51408
43	93024
44	95931
45	43263
46	1
47	45
48	780
49	7350
50	42840
51	162792
52	406980
53	648945
54	600875
55	246675

[1, 1, 1, 1, 3, 3, 1, 6, 14, 12, 1, 10, 40, 75, 55, 1, 15, 90, 275, 429, 273, 1, 21, 175, 770, 1911, 2548, 1428, 1, 28, 308, 1820, 6370, 13328, 15504, 7752, 1, 36, 504, 3822, 17640, 51408, 93024, 95931, 43263, 1, 45, 780, 7350, 42840, 162792, 406980, 648945, 600875, 246675]

cp's OEIS Frontend

A094040 Triangle read by rows: T(n,k) is the number of noncrossing forests with n vertices and k edges.

Table of values

List of values