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.

A177734 Largest k such that prime(n) divides the numerator of the k-th harmonic number (=A001008(k)).

Table of values

n a(n)
2 22
3 24
4 102728
5 1011849771855214912968404217247
6 168
7 288
8 848874360
9 528
10 695552
11 886725671
12 50641
13 1680
14 2359785
15 10776888210
16 414839198
17 42176361744
18 226972
19 4488
20 9094138358932
21 5328
22 6240

List of values

[22, 24, 102728, 1011849771855214912968404217247, 168, 288, 848874360, 528, 695552, 886725671, 50641, 1680, 2359785, 10776888210, 414839198, 42176361744, 226972, 4488, 9094138358932, 5328, 6240]

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

Content is available under The OEIS End-User License Agreement.