A078346 - cp's OEIS frontend

A078346 a(1) = 1; a(n) = Sum_{k=1..n-1} a(floor((n-1)/k)).

n	a(n)
1	1
2	1
3	2
4	4
5	7
6	11
7	17
8	24
9	34
10	46
11	62
12	79
13	104
14	130
15	163
16	201
17	249
18	298
19	363
20	429
21	513
22	605
23	714
24	824
25	966
26	1112
27	1284
28	1468
29	1687
30	1907
31	2181
32	2456
33	2779
34	3120
35	3510
36	3910
37	4394
38	4879
39	5430
40	6008
41	6677
42	7347
43	8139
44	8932
45	9836
46	10788
47	11850
48	12913

[1, 1, 2, 4, 7, 11, 17, 24, 34, 46, 62, 79, 104, 130, 163, 201, 249, 298, 363, 429, 513, 605, 714, 824, 966, 1112, 1284, 1468, 1687, 1907, 2181, 2456, 2779, 3120, 3510, 3910, 4394, 4879, 5430, 6008, 6677, 7347, 8139, 8932, 9836, 10788, 11850, 12913]

cp's OEIS Frontend

A078346 a(1) = 1; a(n) = Sum_{k=1..n-1} a(floor((n-1)/k)).

Table of values

List of values