cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A027459 Numerator of Sum_{k=1..n} H(k)/k, where H(k) is k-th harmonic number.

Table of values

n a(n)
1 1
2 7
3 85
4 415
5 12019
6 13489
7 726301
8 3144919
9 30300391
10 32160403
11 4102360483
12 4301068993
13 758647585777
14 112686856171
15 3336876977
16 96568406789
17 28776062218037
18 29608882035581
19 1568274265798307
20 11256448518043769

List of values

[1, 7, 85, 415, 12019, 13489, 726301, 3144919, 30300391, 32160403, 4102360483, 4301068993, 758647585777, 112686856171, 3336876977, 96568406789, 28776062218037, 29608882035581, 1568274265798307, 11256448518043769]