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.

A047682 a(n) = 4^(2*n)*(4^(2*n)-1)*Bernoulli(2*n)/(2*n).

Table of values

n a(n)
1 20
2 -544
3 66560
4 -17895424
5 8329625600
6 -5937093935104
7 6004799480791040
8 -8176700159200067584
9 14421891569272362106880
10 -31983597922505761818148864
11 87107695717210805652024197120
12 -285816431841945942589104606674944
13 1112035502745012017553352712530165760

List of values

[20, -544, 66560, -17895424, 8329625600, -5937093935104, 6004799480791040, -8176700159200067584, 14421891569272362106880, -31983597922505761818148864, 87107695717210805652024197120, -285816431841945942589104606674944, 1112035502745012017553352712530165760]