A274878 - cp's OEIS frontend

A274878 A statistic on orbital systems over n sectors: the number of orbitals with span k.

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	6
6	0
7	2
8	4
9	0
10	10
11	20
12	0
13	2
14	12
15	6
16	0
17	14
18	84
19	42
20	0
21	2
22	28
23	32
24	8
25	0
26	18
27	252
28	288
29	72
30	0
31	2
32	60
33	120
34	60
35	10
36	0
37	22
38	660
39	1320
40	660
41	110
42	0
43	2
44	124
45	390
46	300
47	96
48	12
49	0
50	26
51	1612
52	5070
53	3900
54	1248
55	156
56	0
57	2
58	252
59	1176
60	1260
61	588
62	140
63	14

[1, 1, 0, 2, 0, 6, 0, 2, 4, 0, 10, 20, 0, 2, 12, 6, 0, 14, 84, 42, 0, 2, 28, 32, 8, 0, 18, 252, 288, 72, 0, 2, 60, 120, 60, 10, 0, 22, 660, 1320, 660, 110, 0, 2, 124, 390, 300, 96, 12, 0, 26, 1612, 5070, 3900, 1248, 156, 0, 2, 252, 1176, 1260, 588, 140, 14]

cp's OEIS Frontend

A274878 A statistic on orbital systems over n sectors: the number of orbitals with span k.

Table of values

List of values