A293961 - cp's OEIS frontend

A293961 Number T(n,k) of linear chord diagrams having n chords and maximal chord length k (or k=0 if n=0); triangle T(n,k), n>=0, 0<=k<=n, read by rows.

n	a(n)
0	1
1	0
2	1
3	0
4	1
5	2
6	0
7	1
8	4
9	10
10	0
11	1
12	10
13	24
14	70
15	0
16	1
17	20
18	82
19	212
20	630
21	0
22	1
23	42
24	300
25	798
26	2324
27	6930
28	0
29	1
30	84
31	894
32	3800
33	10078
34	30188
35	90090
36	0
37	1
38	170
39	2744
40	18186
41	51804
42	150046
43	452724
44	1351350
45	0
46	1
47	340
48	8594
49	71624
50	313006
51	851692
52	2545390
53	7695828
54	22972950

[1, 0, 1, 0, 1, 2, 0, 1, 4, 10, 0, 1, 10, 24, 70, 0, 1, 20, 82, 212, 630, 0, 1, 42, 300, 798, 2324, 6930, 0, 1, 84, 894, 3800, 10078, 30188, 90090, 0, 1, 170, 2744, 18186, 51804, 150046, 452724, 1351350, 0, 1, 340, 8594, 71624, 313006, 851692, 2545390, 7695828, 22972950]

cp's OEIS Frontend

A293961 Number T(n,k) of linear chord diagrams having n chords and maximal chord length k (or k=0 if n=0); triangle T(n,k), n>=0, 0<=k<=n, read by rows.

Table of values

List of values