A298407 - cp's OEIS frontend

A298407 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) = 2, a(2) = 3.

n	a(n)
0	1
1	2
2	3
3	9
4	23
5	52
6	113
7	223
8	431
9	794
10	1442
11	2532
12	4433
13	7589
14	12924
15	21730
16	36411
17	60440
18	100125
19	164816
20	270863
21	443390
22	724846
23	1181713
24	1925113
25	3130488
26	5087530
27	8258585
28	13400782
29	21728136
30	35221342
31	57065559
32	92441545
33	149701409
34	242400952
35	392424193

[1, 2, 3, 9, 23, 52, 113, 223, 431, 794, 1442, 2532, 4433, 7589, 12924, 21730, 36411, 60440, 100125, 164816, 270863, 443390, 724846, 1181713, 1925113, 3130488, 5087530, 8258585, 13400782, 21728136, 35221342, 57065559, 92441545, 149701409, 242400952, 392424193]

cp's OEIS Frontend

A298407 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) = 2, a(2) = 3.

Table of values

List of values