A330910 - cp's OEIS frontend

A330910 a(n-5) is the number of nonempty subsets of {1,2,...,n} such that the difference of successive elements is at least 5.

n	a(n)
0	0
1	1
2	3
3	6
4	10
5	15
6	22
7	32
8	46
9	65
10	90
11	123
12	167
13	226
14	305
15	410
16	549
17	733
18	977
19	1301
20	1731
21	2301
22	3056
23	4056
24	5381
25	7137
26	9464
27	12547
28	16631
29	22041
30	29208
31	38703
32	51282
33	67946
34	90021
35	119264
36	158003
37	209322
38	277306
39	367366
40	486670
41	644714
42	854078
43	1131427

[0, 1, 3, 6, 10, 15, 22, 32, 46, 65, 90, 123, 167, 226, 305, 410, 549, 733, 977, 1301, 1731, 2301, 3056, 4056, 5381, 7137, 9464, 12547, 16631, 22041, 29208, 38703, 51282, 67946, 90021, 119264, 158003, 209322, 277306, 367366, 486670, 644714, 854078, 1131427]

cp's OEIS Frontend

A330910 a(n-5) is the number of nonempty subsets of {1,2,...,n} such that the difference of successive elements is at least 5.

Table of values

List of values