A298357 - cp's OEIS frontend

A298357 a(n) = a(n-1) + a(n-2) + a([n/2]) + a([n/3]) + ... + a([n/n]), where a(0) = 1, a(1) = 2, a(2) = 3.

n	a(n)
0	1
1	2
2	3
3	9
4	19
5	37
6	74
7	131
8	238
9	410
10	710
11	1184
12	2014
13	3320
14	5516
15	9044
16	14888
17	24262
18	39698
19	64510
20	105089
21	170545
22	277057
23	449027
24	728502
25	1179967
26	1912216
27	3096110
28	5014519
29	8116824
30	13141430
31	21268343
32	34425826
33	55710704
34	90162442
35	145899135
36	236104060

[1, 2, 3, 9, 19, 37, 74, 131, 238, 410, 710, 1184, 2014, 3320, 5516, 9044, 14888, 24262, 39698, 64510, 105089, 170545, 277057, 449027, 728502, 1179967, 1912216, 3096110, 5014519, 8116824, 13141430, 21268343, 34425826, 55710704, 90162442, 145899135, 236104060]

cp's OEIS Frontend

A298357 a(n) = a(n-1) + a(n-2) + a([n/2]) + a([n/3]) + ... + a([n/n]), where a(0) = 1, a(1) = 2, a(2) = 3.

Table of values

List of values