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.

A104009 Area of (a,a,a+1)-integer triangle. Corresponding a's are in A103974.

Table of values

n a(n)
1 0
2 12
3 1848
4 351780
5 68149872
6 13219419708
7 2564481115560
8 497495864091732
9 96511629630137568
10 18722758603319903340
11 3632118656731075949592
12 704612296637707504759428
13 136691153428925957468727120
14 26517379152913151616036727452
15 5144234864511696770165553009288

List of values

[0, 12, 1848, 351780, 68149872, 13219419708, 2564481115560, 497495864091732, 96511629630137568, 18722758603319903340, 3632118656731075949592, 704612296637707504759428, 136691153428925957468727120, 26517379152913151616036727452, 5144234864511696770165553009288]