A275325 - cp's OEIS frontend

A275325 Triangle read by rows: number of orbitals over n sectors which have a Catalan decomposition into k parts.

n	a(n)
0	1
1	0
2	1
3	0
4	2
5	0
6	6
7	0
8	4
9	2
10	0
11	20
12	10
13	0
14	10
15	8
16	2
17	0
18	70
19	56
20	14
21	0
22	28
23	28
24	12
25	2
26	0
27	252
28	252
29	108
30	18
31	0
32	84
33	96
34	54
35	16
36	2
37	0
38	924
39	1056
40	594
41	176
42	22
43	0
44	264
45	330
46	220
47	88
48	20
49	2
50	0
51	3432
52	4290
53	2860
54	1144
55	260
56	26
57	0
58	858
59	1144
60	858
61	416
62	130
63	24
64	2

[1, 0, 1, 0, 2, 0, 6, 0, 4, 2, 0, 20, 10, 0, 10, 8, 2, 0, 70, 56, 14, 0, 28, 28, 12, 2, 0, 252, 252, 108, 18, 0, 84, 96, 54, 16, 2, 0, 924, 1056, 594, 176, 22, 0, 264, 330, 220, 88, 20, 2, 0, 3432, 4290, 2860, 1144, 260, 26, 0, 858, 1144, 858, 416, 130, 24, 2]

cp's OEIS Frontend

A275325 Triangle read by rows: number of orbitals over n sectors which have a Catalan decomposition into k parts.

Table of values

List of values