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.

A076549 Numerator of (2n+1)(2n+2) B_{2n}, where B_n are the Bernoulli numbers. Also numerators of the asymptotic expansion of the polygamma function psi'''(z).

Table of values

n a(n)
0 2
1 3
2 2
3 -1
4 4
5 -3
6 10
7 -691
8 280
9 -10851
10 438670
11 -1222277
12 3418052
13 -1181820455
14 1077690978
15 -23749461029
16 137853460416080
17 -84802531453387
18 541314450257070
19 -26315271553053477373
20 761798417598805340

List of values

[2, 3, 2, -1, 4, -3, 10, -691, 280, -10851, 438670, -1222277, 3418052, -1181820455, 1077690978, -23749461029, 137853460416080, -84802531453387, 541314450257070, -26315271553053477373, 761798417598805340]