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.

A331345 a(n) = (1/n^2) * Sum_{k>=1} k^n * (1 - 1/n)^(k - 1).

Table of values

n a(n)
1 1
2 3
3 37
4 1015
5 48601
6 3583811
7 376372333
8 53343571695
9 9808511445361
10 2270198126932219
11 645790373135121061
12 221449391959470686375
13 90084675298978081317961
14 42890688646618728144279987
15 23627228721958495690763944861
16 14910259060767841554203065990111

List of values

[1, 3, 37, 1015, 48601, 3583811, 376372333, 53343571695, 9808511445361, 2270198126932219, 645790373135121061, 221449391959470686375, 90084675298978081317961, 42890688646618728144279987, 23627228721958495690763944861, 14910259060767841554203065990111]