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.

A135868 G.f. A(x) = (1 + x*A(2*x))^2.

Table of values

n a(n)
0 1
1 2
2 9
3 80
4 1368
5 45344
6 2952208
7 381005824
8 97928967168
9 50238812700672
10 51495089926791168
11 105513593089512439808
12 432289346894817079853056
13 3541746937174189008054386688
14 58031524865557213409213540204544
15 1901635048957282075182110362797342720
16 124627456377710926240825658971690792648704

List of values

[1, 2, 9, 80, 1368, 45344, 2952208, 381005824, 97928967168, 50238812700672, 51495089926791168, 105513593089512439808, 432289346894817079853056, 3541746937174189008054386688, 58031524865557213409213540204544, 1901635048957282075182110362797342720, 124627456377710926240825658971690792648704]