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.

A271935 G.f. A(x) satisfies: A(x) = A( x^2 + 8*x*A(x)^2 )^(1/2), with A(0)=0, A'(0)=1.

Table of values

n a(n)
1 1
2 4
3 26
4 200
5 1691
6 15204
7 142710
8 1382568
9 13721765
10 138802136
11 1425785270
12 14832383488
13 155947271878
14 1654494195340
15 17690004381000
16 190426309700616
17 2062071992480208
18 22447191471665160
19 245501068961175090
20 2696300196714320520
21 29725402250477117175
22 328835072363241763920

List of values

[1, 4, 26, 200, 1691, 15204, 142710, 1382568, 13721765, 138802136, 1425785270, 14832383488, 155947271878, 1654494195340, 17690004381000, 190426309700616, 2062071992480208, 22447191471665160, 245501068961175090, 2696300196714320520, 29725402250477117175, 328835072363241763920]