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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.

A002387 Least k such that H(k) > n, where H(k) is the harmonic number Sum_{i=1..k} 1/i.

Table of values

n a(n)
0 1
1 2
2 4
3 11
4 31
5 83
6 227
7 616
8 1674
9 4550
10 12367
11 33617
12 91380
13 248397
14 675214
15 1835421
16 4989191
17 13562027
18 36865412
19 100210581
20 272400600
21 740461601
22 2012783315
23 5471312310
24 14872568831
25 40427833596
26 109894245429
27 298723530401
28 812014744422

List of values

[1, 2, 4, 11, 31, 83, 227, 616, 1674, 4550, 12367, 33617, 91380, 248397, 675214, 1835421, 4989191, 13562027, 36865412, 100210581, 272400600, 740461601, 2012783315, 5471312310, 14872568831, 40427833596, 109894245429, 298723530401, 812014744422]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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