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.

A120956 G.f. A(x) satisfies x / Series_Reversion(x*A(x)) = (A(x) + 1+x)/2.

Table of values

n a(n)
0 1
1 1
2 2
3 8
4 50
5 412
6 4120
7 47840
8 628130
9 9164600
10 146786980
11 2557718352
12 48147082520
13 973612557504
14 21050077835440
15 484637221115520
16 11839623684281890
17 305949448095405252
18 8339153054042801704

List of values

[1, 1, 2, 8, 50, 412, 4120, 47840, 628130, 9164600, 146786980, 2557718352, 48147082520, 973612557504, 21050077835440, 484637221115520, 11839623684281890, 305949448095405252, 8339153054042801704]