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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.

A266269 a(n) is the smallest number k such that phi(k) >= n*phi(k-1).

Table of values

n a(n)
1 2
2 3
3 7
4 211
5 30031
6 223092871
7 13082761331670031
8 3217644767340672907899084554131
9 1492182350939279320058875736615841068547583863326864530411
10 16516447045902521732188973253623425320896207954043566485360902980990824644545340710198976591011245999111

List of values

[2, 3, 7, 211, 30031, 223092871, 13082761331670031, 3217644767340672907899084554131, 1492182350939279320058875736615841068547583863326864530411, 16516447045902521732188973253623425320896207954043566485360902980990824644545340710198976591011245999111]

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

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