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.

A120314 First occurrence of consecutive refactorable numbers a(n)-1, a(n) where the smallest prime factor of a(n) is the n-th prime prime(n).

Table of values

n a(n)
1 2
2 9
3 81450625
4 6080399213078595601
5 38604666779024731098340977806401
6 79600343456925208350554324952070658488321
7 111999530649584986702170994086297063568244097100801

List of values

[2, 9, 81450625, 6080399213078595601, 38604666779024731098340977806401, 79600343456925208350554324952070658488321, 111999530649584986702170994086297063568244097100801]

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

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