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.

A305207 a(n) = [x^n] exp(Sum_{k>=1} x^k/(k*(1 - n*x^k))).

Table of values

n a(n)
0 1
1 1
2 3
3 13
4 95
5 921
6 11586
7 176324
8 3162447
9 65233120
10 1521743103
11 39609506223
12 1138093049808
13 35779807446670
14 1221719353617885
15 45025117385882889
16 1781345658408660655
17 75304205654268663567
18 3387556543611248410593
19 161575661076504392490150
20 8144909167115962980271095

List of values

[1, 1, 3, 13, 95, 921, 11586, 176324, 3162447, 65233120, 1521743103, 39609506223, 1138093049808, 35779807446670, 1221719353617885, 45025117385882889, 1781345658408660655, 75304205654268663567, 3387556543611248410593, 161575661076504392490150, 8144909167115962980271095]