A298406 - cp's OEIS frontend

A298406 a(n) = 2*a(n-1) - a(n-3) + a(floor(n/2)) + a(floor(n/3)) + ... + a(floor(n/n)), where a(0) = 1, a(1) = 1, a(2) = 1.

n	a(n)
0	1
1	1
2	1
3	3
4	8
5	19
6	42
7	84
8	163
9	301
10	547
11	961
12	1682
13	2879
14	4902
15	8241
16	13807
17	22917
18	37962
19	62487
20	102690
21	168096
22	274798
23	448000
24	729829
25	1186797
26	1928729
27	3130905
28	5080360
29	8237339
30	13352743
31	21634097
32	35045477
33	56753250
34	91896553
35	148771833
36	240830555

[1, 1, 1, 3, 8, 19, 42, 84, 163, 301, 547, 961, 1682, 2879, 4902, 8241, 13807, 22917, 37962, 62487, 102690, 168096, 274798, 448000, 729829, 1186797, 1928729, 3130905, 5080360, 8237339, 13352743, 21634097, 35045477, 56753250, 91896553, 148771833, 240830555]

cp's OEIS Frontend

A298406 a(n) = 2*a(n-1) - a(n-3) + a(floor(n/2)) + a(floor(n/3)) + ... + a(floor(n/n)), where a(0) = 1, a(1) = 1, a(2) = 1.

Table of values

List of values