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.

A205804 E.g.f.: -log( Sum_{n>=0} (-x)^(n^2) / (n^2)! ).

Table of values

n a(n)
1 1
2 1
3 2
4 5
5 19
6 90
7 510
8 3395
9 25831
10 221140
11 2104310
12 22027170
13 251540795
14 3111928820
15 41460769350
16 591847005749
17 9011786683883
18 145794610986004
19 2497443795363566
20 45157627509568965
21 859494143391347310
22 17176870199851102510
23 359623890969235361700

List of values

[1, 1, 2, 5, 19, 90, 510, 3395, 25831, 221140, 2104310, 22027170, 251540795, 3111928820, 41460769350, 591847005749, 9011786683883, 145794610986004, 2497443795363566, 45157627509568965, 859494143391347310, 17176870199851102510, 359623890969235361700]