A111929 - cp's OEIS frontend

A111929 Numerator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^2)).

n	a(n)
1	1
2	5
3	19
4	79
5	443
6	463
7	3481
8	14029
9	44327
10	9067
11	103769
12	104693
13	1405361
14	1425953
15	7321957
16	29332873
17	510190361
18	515635801
19	9993116059
20	10039674571
21	10217040331
22	10301692171
23	240663600893
24	241109786633
25	1222682465581

[1, 5, 19, 79, 443, 463, 3481, 14029, 44327, 9067, 103769, 104693, 1405361, 1425953, 7321957, 29332873, 510190361, 515635801, 9993116059, 10039674571, 10217040331, 10301692171, 240663600893, 241109786633, 1222682465581]

cp's OEIS Frontend

A111929 Numerator of x(n) = Sum_{k=1..n} ((odd part of k)/(k^2)).

Table of values

List of values