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.

A242994 Numbers n such that n!3 - 3 is prime, where n!3 = n!!! is a triple factorial number (A007661).

Table of values

n a(n)
1 5
2 10
3 11
4 13
5 16
6 22
7 28
8 71
9 74
10 94
11 119
12 121
13 134
14 157
15 200
16 262
17 286
18 484
19 1039
20 1045
21 1190
22 1595
23 1679
24 1772
25 1789
26 2410
27 2920
28 5039
29 7919
30 10462
31 11846
32 23293
33 26705
34 30781
35 43694

List of values

[5, 10, 11, 13, 16, 22, 28, 71, 74, 94, 119, 121, 134, 157, 200, 262, 286, 484, 1039, 1045, 1190, 1595, 1679, 1772, 1789, 2410, 2920, 5039, 7919, 10462, 11846, 23293, 26705, 30781, 43694]

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

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