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.

A249933 G.f. A(x) satisfies: 3*A(x) - 2*(1+x) = Series_Reversion( x/(2*A(x) - (1+x)) )/x.

Table of values

n a(n)
0 1
1 1
2 1
3 7
4 77
5 1111
6 19389
7 391959
8 8942541
9 226359559
10 6281444909
11 189409746967
12 6163853164333
13 215283653614823
14 8033015072981677
15 318963167792376087
16 13430607648848415309
17 597871639955925563463
18 28059143187405536116653
19 1384849551267166030082199
20 71712434188939188553335789

List of values

[1, 1, 1, 7, 77, 1111, 19389, 391959, 8942541, 226359559, 6281444909, 189409746967, 6163853164333, 215283653614823, 8033015072981677, 318963167792376087, 13430607648848415309, 597871639955925563463, 28059143187405536116653, 1384849551267166030082199, 71712434188939188553335789]