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.

A064795 Home primes in base 2: primes reached when you start with n and (working in base 2) concatenate its prime factors (A048985); repeat until a prime is reached (or -1 if no prime is ever reached).

Table of values

n a(n)
1 1
2 10
3 11
4 11111
5 101
6 1011
7 111
8 10110011
9 11101
10 11111
11 1011
12 101011
13 1101
14 10111
15 11101
16 10111011100111
17 10001
18 101111
19 10011
20 11111011
21 11111
22 101011
23 10111
24 111110011
25 111111111011
26 111111111011
27 1111111
28 111111111011
29 11101

List of values

[1, 10, 11, 11111, 101, 1011, 111, 10110011, 11101, 11111, 1011, 101011, 1101, 10111, 11101, 10111011100111, 10001, 101111, 10011, 11111011, 11111, 101011, 10111, 111110011, 111111111011, 111111111011, 1111111, 111111111011, 11101]

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

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