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.

A373044 Prime concatenated analog clock numbers read clockwise. Version 2: hours > 9 are split in 2 digits.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 23
7 67
8 89
9 101
10 4567
11 10111
12 67891
13 89101
14 789101
15 4567891
16 23456789
17 56789101
18 1234567891
19 45678910111
20 12345678910111
21 1112123456789101
22 23456789101112123
23 112123456789101112123
24 891011121234567891011
25 4567891011121234567891

List of values

[2, 3, 5, 7, 11, 23, 67, 89, 101, 4567, 10111, 67891, 89101, 789101, 4567891, 23456789, 56789101, 1234567891, 45678910111, 12345678910111, 1112123456789101, 23456789101112123, 112123456789101112123, 891011121234567891011, 4567891011121234567891]

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

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