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.

A372966 a(n) = sigma_8(n^2)/sigma_4(n^2).

Table of values

n a(n)
1 1
2 241
3 6481
4 61681
5 390001
6 1561921
7 5762401
8 15790321
9 42521761
10 93990241
11 214344241
12 399754561
13 815702161
14 1388738641
15 2527596481
16 4042322161
17 6975673921
18 10247744401
19 16983432721
20 24055651681
21 37346120881
22 51656962081
23 78310705441
24 102337070401

List of values

[1, 241, 6481, 61681, 390001, 1561921, 5762401, 15790321, 42521761, 93990241, 214344241, 399754561, 815702161, 1388738641, 2527596481, 4042322161, 6975673921, 10247744401, 16983432721, 24055651681, 37346120881, 51656962081, 78310705441, 102337070401]

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

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