A072248 - cp's OEIS frontend

A072248 Triangle T(n,k) (n >= 2, 1 <= k <= n-1) giving number of non-crossing trees with n nodes and height k.

n	a(n)
2	1
3	1
4	2
5	1
6	7
7	4
8	1
9	20
10	26
11	8
12	1
13	54
14	126
15	76
16	16
17	1
18	143
19	548
20	504
21	200
22	32
23	1
24	376
25	2259
26	2900
27	1656
28	496
29	64
30	1
31	986
32	9034
33	15506
34	11528
35	4896
36	1184
37	128
38	1
39	2583
40	35469
41	79354
42	73172
43	39552
44	13536
45	2752
46	256
47	1
48	6764
49	137644
50	394642
51	439272
52	285992
53	123904
54	35712
55	6272
56	512

[1, 1, 2, 1, 7, 4, 1, 20, 26, 8, 1, 54, 126, 76, 16, 1, 143, 548, 504, 200, 32, 1, 376, 2259, 2900, 1656, 496, 64, 1, 986, 9034, 15506, 11528, 4896, 1184, 128, 1, 2583, 35469, 79354, 73172, 39552, 13536, 2752, 256, 1, 6764, 137644, 394642, 439272, 285992, 123904, 35712, 6272, 512]

cp's OEIS Frontend

A072248 Triangle T(n,k) (n >= 2, 1 <= k <= n-1) giving number of non-crossing trees with n nodes and height k.

Table of values

List of values