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.

A211898 G.f.: exp( Sum_{n>=1} (2^n - (-1)^n)^n * x^n/n ).

Table of values

n a(n)
0 1
1 3
2 9
3 261
4 13419
5 7867287
6 10444212819
7 84955235950827
8 2235017786095822257
9 273416315791427558035965
10 125533366255776787874473759857
11 242979442003484538229530424638338553
12 1852958949086213206247388599213928431454549

List of values

[1, 3, 9, 261, 13419, 7867287, 10444212819, 84955235950827, 2235017786095822257, 273416315791427558035965, 125533366255776787874473759857, 242979442003484538229530424638338553, 1852958949086213206247388599213928431454549]