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.

A014980 a(n+1) = floor(a(n)/2) * ceiling(a(n)/2), a(0) = 5.

Table of values

n a(n)
0 5
1 6
2 9
3 20
4 100
5 2500
6 1562500
7 610351562500
8 93132257461547851562500
9 2168404344971008868014905601739883422851562500
10 1175494350822287507968736537222245677818665556772087521508751706278417259454727172851562500

List of values

[5, 6, 9, 20, 100, 2500, 1562500, 610351562500, 93132257461547851562500, 2168404344971008868014905601739883422851562500, 1175494350822287507968736537222245677818665556772087521508751706278417259454727172851562500]

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

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