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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.

A383257 Let p = prime(n), then a(n) is the non-p-smooth part of (p-1)!+1.

Table of values

n a(n)
1 1
2 1
3 1
4 103
5 329891
6 2834329
7 1230752346353
8 336967037143579
9 48869596859895986087
10 10513391193507374500051862069
11 8556543864909388988268015483871
12 10053873697024357228864849950022572972973
13 19900372762143847179161250477954046201756097561
14 32674560877973951128910293168477013254334511627907

List of values

[1, 1, 1, 103, 329891, 2834329, 1230752346353, 336967037143579, 48869596859895986087, 10513391193507374500051862069, 8556543864909388988268015483871, 10053873697024357228864849950022572972973, 19900372762143847179161250477954046201756097561, 32674560877973951128910293168477013254334511627907]

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

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