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.

A288376 Primes of the form k!2+2, where k!2 is the double factorial number (A006852).

Table of values

n a(n)
1 3
2 5
3 17
4 107
5 947
6 13749310577
7 316234143227
8 213458046676877
9 495179769008019818390136611716089140627
10 13114900840751548972796135496384318234575359262373046877
11 28352254429826839019508359891905756542124154226667992913078222750278633810791015627

List of values

[3, 5, 17, 107, 947, 13749310577, 316234143227, 213458046676877, 495179769008019818390136611716089140627, 13114900840751548972796135496384318234575359262373046877, 28352254429826839019508359891905756542124154226667992913078222750278633810791015627]

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

Content is available under The OEIS End-User License Agreement.