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.

A076603 a(1)=9, a(n_even)=(a(n-1)^2-1)/2; a(n_odd)=a(n-1)+1.

Table of values

n a(n)
1 9
2 40
3 41
4 840
5 841
6 353640
7 353641
8 62530978440
9 62530978441
10 1955061632394403395240
11 1955061632394403395241
12 1911132993230334657643987512400814230724040
13 1911132993230334657643987512400814230724041

List of values

[9, 40, 41, 840, 841, 353640, 353641, 62530978440, 62530978441, 1955061632394403395240, 1955061632394403395241, 1911132993230334657643987512400814230724040, 1911132993230334657643987512400814230724041]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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