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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.

A048677 Concatenation of first n palindromic primes.

Table of values

n a(n)
1 2
2 23
3 235
4 2357
5 235711
6 235711101
7 235711101131
8 235711101131151
9 235711101131151181
10 235711101131151181191
11 235711101131151181191313
12 235711101131151181191313353
13 235711101131151181191313353373
14 235711101131151181191313353373383

List of values

[2, 23, 235, 2357, 235711, 235711101, 235711101131, 235711101131151, 235711101131151181, 235711101131151181191, 235711101131151181191313, 235711101131151181191313353, 235711101131151181191313353373, 235711101131151181191313353373383]

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

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