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.

A289856 Primes of the form k!2 - 256, where k!2 is the double factorial number (A006882).

Table of values

n a(n)
1 10139
2 2026769
3 13749310319
4 213458046676619
5 191898783962510369
6 157952079428395476360490147277859119
7 29215606371473169285018060091249259296619
8 2395415678676082004163677716234578672981800778515369

List of values

[10139, 2026769, 13749310319, 213458046676619, 191898783962510369, 157952079428395476360490147277859119, 29215606371473169285018060091249259296619, 2395415678676082004163677716234578672981800778515369]

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

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