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.

A130412 Denominator of partial sums of a series for 3*(Pi-3).

Table of values

n a(n)
1 2
2 5
3 140
4 105
5 2310
6 15015
7 120120
8 85085
9 9699690
10 4849845
11 446185740
12 557732175
13 3346393050
14 48522699225
15 24067258815600
16 1504203675975
17 3008407351950
18 55655536011075
19 222622144044300
20 2281876976454075

List of values

[2, 5, 140, 105, 2310, 15015, 120120, 85085, 9699690, 4849845, 446185740, 557732175, 3346393050, 48522699225, 24067258815600, 1504203675975, 3008407351950, 55655536011075, 222622144044300, 2281876976454075]