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.

A385687 E.g.f. A(x) satisfies A(x) = exp( x*((A(x) + A(-x))/2)^2 ).

Table of values

n a(n)
0 1
1 1
2 1
3 7
4 25
5 341
6 2161
7 44115
8 404209
9 11010025
10 132273601
11 4508793983
12 67085545033
13 2747071330173
14 48765277295281
15 2331905267846731
16 48106649137922017
17 2631174441142423505
18 61862217319644572161
19 3809106344377237185399
20 100542158725584301036921

List of values

[1, 1, 1, 7, 25, 341, 2161, 44115, 404209, 11010025, 132273601, 4508793983, 67085545033, 2747071330173, 48765277295281, 2331905267846731, 48106649137922017, 2631174441142423505, 61862217319644572161, 3809106344377237185399, 100542158725584301036921]