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.

A068026 Z(S_m; sigma[1](n), sigma[2](n),..., sigma[m](n)) where Z(S_m; x_1,x_2,...,x_m) is the cycle index of the symmetric group S_m and sigma[k](n) is the sum of k-th powers of divisors of n; m=9.

Table of values

n a(n)
1 1
2 1023
3 29524
4 698027
5 2441406
6 36192156
7 47079208
8 408345795
9 653757313
10 2773708938
11 2593742460
12 26912354924
13 11488207654
14 51851591352
15 77226922344
16 222984027123
17 125999618778
18 848125888467
19 340614792100
20 1991478050562

List of values

[1, 1023, 29524, 698027, 2441406, 36192156, 47079208, 408345795, 653757313, 2773708938, 2593742460, 26912354924, 11488207654, 51851591352, 77226922344, 222984027123, 125999618778, 848125888467, 340614792100, 1991478050562]