A158568 - cp's OEIS frontend

A158568 a(n) = Sum_{i=1..Fibonacci(n)} sigma_0(i) where sigma_0(n) is A000005(n).

n	a(n)
1	1
2	1
3	3
4	5
5	10
6	20
7	37
8	70
9	127
10	231
11	413
12	746
13	1307
14	2295
15	4010
16	6957
17	12031
18	20712
19	35514
20	60718
21	103500
22	175989
23	298539
24	505399
25	853777
26	1439856
27	2424299
28	4075479
29	6841787
30	11470592
31	19207624
32	32126763
33	53678285

[1, 1, 3, 5, 10, 20, 37, 70, 127, 231, 413, 746, 1307, 2295, 4010, 6957, 12031, 20712, 35514, 60718, 103500, 175989, 298539, 505399, 853777, 1439856, 2424299, 4075479, 6841787, 11470592, 19207624, 32126763, 53678285]

cp's OEIS Frontend

A158568 a(n) = Sum_{i=1..Fibonacci(n)} sigma_0(i) where sigma_0(n) is A000005(n).

Table of values

List of values