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.

A307661 E.g.f. A(x) satisfies: A(x) = exp(-x) * A(x^2)^2*A(x^3)^3*A(x^4)^4* ... *A(x^k)^k* ...

Table of values

n a(n)
0 1
1 -1
2 -3
3 -7
4 -95
5 699
6 -1739
7 106973
8 236097
9 5525495
10 157003021
11 -1778692191
12 -15439204703
13 -1112216292877
14 -2594716702395
15 -466679409407611
16 -2408062589228159
17 -51920010551722257
18 965605721357034397
19 88877767053922329545
20 2657651357187708962721
21 161866621274268475146539

List of values

[1, -1, -3, -7, -95, 699, -1739, 106973, 236097, 5525495, 157003021, -1778692191, -15439204703, -1112216292877, -2594716702395, -466679409407611, -2408062589228159, -51920010551722257, 965605721357034397, 88877767053922329545, 2657651357187708962721, 161866621274268475146539]