A324015 - cp's OEIS frontend

A324015 Number of nonempty subsets of {1, ..., n} containing no two cyclically successive elements.

n	a(n)
0	0
1	1
2	2
3	3
4	6
5	10
6	17
7	28
8	46
9	75
10	122
11	198
12	321
13	520
14	842
15	1363
16	2206
17	3570
18	5777
19	9348
20	15126
21	24475
22	39602
23	64078
24	103681
25	167760
26	271442
27	439203
28	710646
29	1149850
30	1860497
31	3010348
32	4870846
33	7881195
34	12752042
35	20633238
36	33385281
37	54018520
38	87403802

[0, 1, 2, 3, 6, 10, 17, 28, 46, 75, 122, 198, 321, 520, 842, 1363, 2206, 3570, 5777, 9348, 15126, 24475, 39602, 64078, 103681, 167760, 271442, 439203, 710646, 1149850, 1860497, 3010348, 4870846, 7881195, 12752042, 20633238, 33385281, 54018520, 87403802]

cp's OEIS Frontend

A324015 Number of nonempty subsets of {1, ..., n} containing no two cyclically successive elements.

Table of values

List of values