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.

A211897 G.f.: exp( Sum_{n>=1} (2^n + (-1)^n)^n * x^n/n ).

Table of values

n a(n)
0 1
1 1
2 13
3 127
4 21079
5 5748277
6 12575820727
7 76137769800001
8 2378969789430032869
9 263966921383940194614823
10 128008718415112846211347561597
11 240383035701447602719960666753525867
12 1863847508172945183054545696402414919578641

List of values

[1, 1, 13, 127, 21079, 5748277, 12575820727, 76137769800001, 2378969789430032869, 263966921383940194614823, 128008718415112846211347561597, 240383035701447602719960666753525867, 1863847508172945183054545696402414919578641]