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.

A300050 G.f. A(x) satisfies: A(x) = Sum_{n>=0} (1 + x*A(x)^n)^n / 2^(n+1).

Table of values

n a(n)
0 1
1 1
2 4
3 28
4 250
5 2558
6 28594
7 340486
8 4255344
9 55300776
10 742732646
11 10267434138
12 145692400018
13 2118364506746
14 31529605958892
15 480186833802260
16 7483472464151002
17 119397596900634238
18 1951747376021480874
19 32721008993895160926
20 563260078608381337148
21 9967709437187109520736
22 181544883799333028286098
23 3406426523158387599683478
24 65894531117591548919270114

List of values

[1, 1, 4, 28, 250, 2558, 28594, 340486, 4255344, 55300776, 742732646, 10267434138, 145692400018, 2118364506746, 31529605958892, 480186833802260, 7483472464151002, 119397596900634238, 1951747376021480874, 32721008993895160926, 563260078608381337148, 9967709437187109520736, 181544883799333028286098, 3406426523158387599683478, 65894531117591548919270114]