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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.

A280419 Primes in A132934.

Original entry on oeis.org

1468910121415161820212224252627283032333435363839, 14689101214151618202122242526272830323334353638394042444546484950515254555657586062636465666869
Offset: 1

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Author

Sergey Pavlov, Jan 02 2017

Keywords

Comments

Primes that can be obtained from concatenation of the nonprime numbers.
In other words: primes that can be obtained from concatenation of 1 and the next consecutive composite numbers.
For a(n), the smallest prime divisor is a(n) and a(n) is a term of A241845.

Links

  • Prime Curios!, 39

Crossrefs

Cf. A002808, A018252, A132934, A241845.

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