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.

A321260 a(n) = [x^n] Product_{k>=1} 1/(1 - x^k)^(sigma_n(k)-k^n).

Table of values

n a(n)
0 1
1 0
2 1
3 1
4 18
5 2
6 861
7 132
8 106024
9 40910
10 72980055
11 6838271
12 228282942581
13 27620223647
14 2050169324675668
15 352809815149813
16 87174966874755673105
17 6798293425492905407
18 18318448554980083512011863
19 1187839217207171380193247
20 11258918803635775614062752424535

List of values

[1, 0, 1, 1, 18, 2, 861, 132, 106024, 40910, 72980055, 6838271, 228282942581, 27620223647, 2050169324675668, 352809815149813, 87174966874755673105, 6798293425492905407, 18318448554980083512011863, 1187839217207171380193247, 11258918803635775614062752424535]