A274710 - cp's OEIS frontend

A274710 A statistic on orbital systems over n sectors: the number of orbitals which make k turns.

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	0
6	6
7	0
8	2
9	2
10	2
11	0
12	0
13	6
14	12
15	12
16	0
17	2
18	4
19	8
20	4
21	2
22	0
23	0
24	6
25	24
26	52
27	40
28	18
29	0
30	2
31	6
32	18
33	18
34	18
35	6
36	2
37	0
38	0
39	6
40	36
41	120
42	180
43	180
44	84
45	24
46	0
47	2
48	8
49	32
50	48
51	72
52	48
53	32
54	8
55	2
56	0
57	0
58	6
59	48
60	216
61	480
62	744
63	672
64	432
65	144
66	30
67	0
68	2
69	10
70	50
71	100
72	200
73	200
74	200
75	100
76	50
77	10
78	2

[1, 1, 0, 2, 0, 0, 6, 0, 2, 2, 2, 0, 0, 6, 12, 12, 0, 2, 4, 8, 4, 2, 0, 0, 6, 24, 52, 40, 18, 0, 2, 6, 18, 18, 18, 6, 2, 0, 0, 6, 36, 120, 180, 180, 84, 24, 0, 2, 8, 32, 48, 72, 48, 32, 8, 2, 0, 0, 6, 48, 216, 480, 744, 672, 432, 144, 30, 0, 2, 10, 50, 100, 200, 200, 200, 100, 50, 10, 2]

cp's OEIS Frontend

A274710 A statistic on orbital systems over n sectors: the number of orbitals which make k turns.

Table of values

List of values

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	0
6	6
7	0
8	2
9	2
10	2
11	0
12	0
13	6
14	12
15	12
16	0
17	2
18	4
19	8
20	4
21	2
22	0
23	0
24	6
25	24
26	52
27	40
28	18
29	0
30	2
31	6
32	18
33	18
34	18
35	6
36	2
37	0
38	0
39	6
40	36
41	120
42	180
43	180
44	84
45	24
46	0
47	2
48	8
49	32
50	48
51	72
52	48
53	32
54	8
55	2
56	0
57	0
58	6
59	48
60	216
61	480
62	744
63	672
64	432
65	144
66	30
67	0
68	2
69	10
70	50
71	100
72	200
73	200
74	200
75	100
76	50
77	10
78	2

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	0
6	6
7	0
8	2
9	2
10	2
11	0
12	0
13	6
14	12
15	12
16	0
17	2
18	4
19	8
20	4
21	2
22	0
23	0
24	6
25	24
26	52
27	40
28	18
29	0
30	2
31	6
32	18
33	18
34	18
35	6
36	2
37	0
38	0
39	6
40	36
41	120
42	180
43	180
44	84
45	24
46	0
47	2
48	8
49	32
50	48
51	72
52	48
53	32
54	8
55	2
56	0
57	0
58	6
59	48
60	216
61	480
62	744
63	672
64	432
65	144
66	30
67	0
68	2
69	10
70	50
71	100
72	200
73	200
74	200
75	100
76	50
77	10
78	2

n	a(n)
0	1
1	1
2	0
3	2
4	0
5	0
6	6
7	0
8	2
9	2
10	2
11	0
12	0
13	6
14	12
15	12
16	0
17	2
18	4
19	8
20	4
21	2
22	0
23	0
24	6
25	24
26	52
27	40
28	18
29	0
30	2
31	6
32	18
33	18
34	18
35	6
36	2
37	0
38	0
39	6
40	36
41	120
42	180
43	180
44	84
45	24
46	0
47	2
48	8
49	32
50	48
51	72
52	48
53	32
54	8
55	2
56	0
57	0
58	6
59	48
60	216
61	480
62	744
63	672
64	432
65	144
66	30
67	0
68	2
69	10
70	50
71	100
72	200
73	200
74	200
75	100
76	50
77	10
78	2