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.

A036344 Prime concatenated analog clock numbers (clockwise and counterclockwise).

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 23
7 43
8 67
9 89
10 109
11 4567
12 10987
13 76543
14 23456789
15 6543211211
16 4321121110987
17 23456789101112123
18 891011121234567891011
19 3211211109876543211211
20 23456789101112123456789101112123
21 43211211109876543211211109876543
22 567891011121234567891011121234567891011

List of values

[2, 3, 5, 7, 11, 23, 43, 67, 89, 109, 4567, 10987, 76543, 23456789, 6543211211, 4321121110987, 23456789101112123, 891011121234567891011, 3211211109876543211211, 23456789101112123456789101112123, 43211211109876543211211109876543, 567891011121234567891011121234567891011]

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

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