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.

A066817 Conjectured values of first prime in the orbit f(m), f(f(m)), ..., where f(n) = A067599(n) and m = n-th composite number; or 0 if none exists.

Table of values

n a(n)
1 0
2 2131
3 23
4 3224591
5 0
6 0
7 241127117451117479045190960709721125675426733715695733779133596697360781090711425903130196316185995152974660668512820125356019549490226189398938302252287927928254649608061563193945459975102656949618158919173931
8 0
9 0
10 0
11 2251
12 0
13 0
14 0
15 3224591
16 314313643123658229739531
17 97211238048939739899395714118873644859466103898031
18 0
19 46747167851021731
20 3224591
21 97211238048939739899395714118873644859466103898031
22 3141114911731
23 5171

List of values

[0, 2131, 23, 3224591, 0, 0, 241127117451117479045190960709721125675426733715695733779133596697360781090711425903130196316185995152974660668512820125356019549490226189398938302252287927928254649608061563193945459975102656949618158919173931, 0, 0, 0, 2251, 0, 0, 0, 3224591, 314313643123658229739531, 97211238048939739899395714118873644859466103898031, 0, 46747167851021731, 3224591, 97211238048939739899395714118873644859466103898031, 3141114911731, 5171]

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

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