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.

A355789 E.g.f. satisfies log(A(x)) = (1 - exp(-2*x)) * A(x)/2.

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 9
5 52
6 363
7 3082
8 30817
9 353640
10 4582451
11 66201126
12 1055059569
13 18388749628
14 347959910171
15 7104264359810
16 155670829426113
17 3644019928871376
18 90755590315468003
19 2396199304577668190
20 66855611152288637713
21 1965490144910199279780

List of values

[1, 1, 1, 2, 9, 52, 363, 3082, 30817, 353640, 4582451, 66201126, 1055059569, 18388749628, 347959910171, 7104264359810, 155670829426113, 3644019928871376, 90755590315468003, 2396199304577668190, 66855611152288637713, 1965490144910199279780]