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.

A342930 Least positive number k such that n^n divides k*(k+1)/2.

Table of values

n a(n)
1 1
2 7
3 26
4 511
5 3124
6 16767
7 823542
8 33554431
9 387420488
10 1787109375
11 285311670610
12 6737830608896
13 302875106592252
14 10190301669556224
15 12913848876953124
16 36893488147419103231
17 827240261886336764176
18 22831345258932427292672
19 1978419655660313589123978
20 35357007743740081787109375

List of values

[1, 7, 26, 511, 3124, 16767, 823542, 33554431, 387420488, 1787109375, 285311670610, 6737830608896, 302875106592252, 10190301669556224, 12913848876953124, 36893488147419103231, 827240261886336764176, 22831345258932427292672, 1978419655660313589123978, 35357007743740081787109375]

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

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