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.

A075429 First integer reached when starting with 1+2/(n*(n+1)) and iterating the map x -> x*ceiling(x) A075428(n) times, or -1 if no integer is ever reached.

Table of values

n a(n)
1 2
2 8
3 7
4 494764640798827359861461484
5 2016
6 44
7 1914
8 28763295962709272528037893195870015938157927816600800
9 135182360017670059436612452

List of values

[2, 8, 7, 494764640798827359861461484, 2016, 44, 1914, 28763295962709272528037893195870015938157927816600800, 135182360017670059436612452]

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

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