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.

A373045 Prime concatenated analog clock numbers read counterclockwise. Version 2: hours > 9 may be split into individual digits.

Table of values

n a(n)
1 2
2 3
3 5
4 7
5 11
6 19
7 43
8 101
9 211
10 1019
11 1987
12 2111
13 21211
14 76543
15 101987
16 432121
17 4321211
18 12111019
19 6543212111
20 9876543212111
21 1019876543212111019
22 654321211101987654321211
23 4321211101987654321211101
24 6543212111019876543212111
25 76543212111019876543212111019

List of values

[2, 3, 5, 7, 11, 19, 43, 101, 211, 1019, 1987, 2111, 21211, 76543, 101987, 432121, 4321211, 12111019, 6543212111, 9876543212111, 1019876543212111019, 654321211101987654321211, 4321211101987654321211101, 6543212111019876543212111, 76543212111019876543212111019]

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

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