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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.

A288890 Primes of the form k!4+2, where k!4 is the quadruple factorial number (A007662).

Table of values

n a(n)
1 3
2 5
3 7
4 23
5 47
6 233
7 587
8 3467
9 65837
10 40883537
11 151412627
12 1267389587
13 74389431691577
14 885821206052908127
15 13005556505149168230729834377
16 583723376551025432768079734666930727861956890308512536691015627

List of values

[3, 5, 7, 23, 47, 233, 587, 3467, 65837, 40883537, 151412627, 1267389587, 74389431691577, 885821206052908127, 13005556505149168230729834377, 583723376551025432768079734666930727861956890308512536691015627]

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

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