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.

A381772 Expansion of ( (1/x) * Series_Reversion( x/((1+x) * C(x))^2 ) )^(1/2), where C(x) is the g.f. of A000108.

Table of values

n a(n)
0 1
1 2
2 11
3 83
4 727
5 6940
6 70058
7 735502
8 7949031
9 87851819
10 988307647
11 11279719247
12 130286197186
13 1520108988221
14 17889102534329
15 212095541328931
16 2531001870925559
17 30376237591559863
18 366417240105654587
19 4440000077166319993
20 54020150448778625847
21 659665548217188211288

List of values

[1, 2, 11, 83, 727, 6940, 70058, 735502, 7949031, 87851819, 988307647, 11279719247, 130286197186, 1520108988221, 17889102534329, 212095541328931, 2531001870925559, 30376237591559863, 366417240105654587, 4440000077166319993, 54020150448778625847, 659665548217188211288]