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.

A300147 a(n) = (1/8) * Sum_{d|n} d * A110163(d).

Table of values

n a(n)
1 -30
2 6660
3 -1536120
4 354476040
5 -81800478900
6 18876653594640
7 -4356063194112240
8 1005225129672310800
9 -231970363216834560390
10 53530545369975222475800
11 -12352954264801690636800360
12 2850624405442199478575792160

List of values

[-30, 6660, -1536120, 354476040, -81800478900, 18876653594640, -4356063194112240, 1005225129672310800, -231970363216834560390, 53530545369975222475800, -12352954264801690636800360, 2850624405442199478575792160]