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.

A289817 Primes of the form k!3-9, where k!3 is the triple factorial number (A007661).

Table of values

n a(n)
1 19
2 71
3 271
4 3631
5 58231
6 209431
7 4188791
8 96342391
9 17041023991
10 72642169591
11 2324549427191
12 1143053268797439991
13 52580450364682239991
14 262134882788466687991
15 694657439389436723199991
16 38900816605808456499199991
17 2295148179742698933452799991

List of values

[19, 71, 271, 3631, 58231, 209431, 4188791, 96342391, 17041023991, 72642169591, 2324549427191, 1143053268797439991, 52580450364682239991, 262134882788466687991, 694657439389436723199991, 38900816605808456499199991, 2295148179742698933452799991]

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

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