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.

A236670 Start with 6; thereafter, primes obtained by concatenating to the end of previous term the next smallest number that will produce a prime.

Table of values

n a(n)
1 6
2 61
3 613
4 6131
5 613141
6 61314119
7 6131411917
8 61314119171
9 6131411917181
10 613141191718127
11 61314119171812789
12 613141191718127893
13 61314119171812789379
14 6131411917181278937929
15 61314119171812789379291
16 61314119171812789379291111

List of values

[6, 61, 613, 6131, 613141, 61314119, 6131411917, 61314119171, 6131411917181, 613141191718127, 61314119171812789, 613141191718127893, 61314119171812789379, 6131411917181278937929, 61314119171812789379291, 61314119171812789379291111]

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

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