A274709 - cp's OEIS frontend

A274709 A statistic on orbital systems over n sectors: the number of orbitals which rise to maximum height k over the central circle.

n	a(n)
0	1
1	1
2	1
3	1
4	3
5	3
6	2
7	3
8	1
9	10
10	15
11	5
12	5
13	9
14	5
15	1
16	35
17	63
18	35
19	7
20	14
21	28
22	20
23	7
24	1
25	126
26	252
27	180
28	63
29	9
30	42
31	90
32	75
33	35
34	9
35	1
36	462
37	990
38	825
39	385
40	99
41	11
42	132
43	297
44	275
45	154
46	54
47	11
48	1
49	1716
50	3861
51	3575
52	2002
53	702
54	143
55	13
56	429
57	1001
58	1001
59	637
60	273
61	77
62	13
63	1

[1, 1, 1, 1, 3, 3, 2, 3, 1, 10, 15, 5, 5, 9, 5, 1, 35, 63, 35, 7, 14, 28, 20, 7, 1, 126, 252, 180, 63, 9, 42, 90, 75, 35, 9, 1, 462, 990, 825, 385, 99, 11, 132, 297, 275, 154, 54, 11, 1, 1716, 3861, 3575, 2002, 702, 143, 13, 429, 1001, 1001, 637, 273, 77, 13, 1]

cp's OEIS Frontend

A274709 A statistic on orbital systems over n sectors: the number of orbitals which rise to maximum height k over the central circle.

Table of values

List of values