A092276 - cp's OEIS frontend

A092276 Triangle read by rows: T(n,k) is the number of noncrossing trees with root degree equal to k.

n	a(n)
1	1
2	2
3	1
4	7
5	4
6	1
7	30
8	18
9	6
10	1
11	143
12	88
13	33
14	8
15	1
16	728
17	455
18	182
19	52
20	10
21	1
22	3876
23	2448
24	1020
25	320
26	75
27	12
28	1
29	21318
30	13566
31	5814
32	1938
33	510
34	102
35	14
36	1
37	120175
38	76912
39	33649
40	11704
41	3325
42	760
43	133
44	16
45	1
46	690690
47	444015
48	197340
49	70840
50	21252
51	5313
52	1078
53	168
54	18
55	1

[1, 2, 1, 7, 4, 1, 30, 18, 6, 1, 143, 88, 33, 8, 1, 728, 455, 182, 52, 10, 1, 3876, 2448, 1020, 320, 75, 12, 1, 21318, 13566, 5814, 1938, 510, 102, 14, 1, 120175, 76912, 33649, 11704, 3325, 760, 133, 16, 1, 690690, 444015, 197340, 70840, 21252, 5313, 1078, 168, 18, 1]

cp's OEIS Frontend

A092276 Triangle read by rows: T(n,k) is the number of noncrossing trees with root degree equal to k.

Table of values

List of values