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.

A301423 Numbers k such that !k/(k-1) is prime, where !k = A000166(k) is the subfactorial of k.

Table of values

n a(n)
1 4
2 5
3 6
4 11
5 15
6 44
7 66
8 168
9 575
10 1713

List of values

[4, 5, 6, 11, 15, 44, 66, 168, 575, 1713]

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

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