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.

A236328 a(n) = sigma(n,1) + sigma(n,2) + ... + sigma(n,n).

Table of values

n a(n)
1 1
2 8
3 42
4 374
5 3910
6 57210
7 960806
8 19261858
9 435877581
10 11123320196
11 313842837682
12 9729290348244
13 328114698808286
14 11967567841654606
15 469172063576559644
16 19676848703371278522
17 878942778254232811954
18 41661071646298278566886
19 2088331858752553232964218

List of values

[1, 8, 42, 374, 3910, 57210, 960806, 19261858, 435877581, 11123320196, 313842837682, 9729290348244, 328114698808286, 11967567841654606, 469172063576559644, 19676848703371278522, 878942778254232811954, 41661071646298278566886, 2088331858752553232964218]

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

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