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.

A013589 a(n+1) = a(n)*(a(n)+1)/2.

Table of values

n a(n)
0 4
1 10
2 55
3 1540
4 1186570
5 703974775735
6 247790242435923759782980
7 30700002123226936025189367747945843590228731690
8 471245065183069190019624521318729501785547966685566656416776916445985874756815447988119493895

List of values

[4, 10, 55, 1540, 1186570, 703974775735, 247790242435923759782980, 30700002123226936025189367747945843590228731690, 471245065183069190019624521318729501785547966685566656416776916445985874756815447988119493895]