A130491 - cp's OEIS frontend

A130491 a(n) = numerator of Sum_{k=1..n} k^mu(n+1-k), where mu(m) = A008683(m).

n	a(n)
1	1
2	3
3	9
4	35
5	91
6	179
7	117
8	1181
9	14113
10	1415
11	14839
12	35617
13	85271
14	53251
15	3503033
16	1879
17	12165719
18	106753
19	2870239
20	6436711
21	46663061
22	402271
23	850810423
24	60658043
25	1473361913
26	10236631
27	21081760033
28	39731443
29	2762347887557

[1, 3, 9, 35, 91, 179, 117, 1181, 14113, 1415, 14839, 35617, 85271, 53251, 3503033, 1879, 12165719, 106753, 2870239, 6436711, 46663061, 402271, 850810423, 60658043, 1473361913, 10236631, 21081760033, 39731443, 2762347887557]

cp's OEIS Frontend

A130491 a(n) = numerator of Sum_{k=1..n} k^mu(n+1-k), where mu(m) = A008683(m).

Table of values

List of values