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.

A167842 Right-angled primes.

Original entry on oeis.org

101, 787, 12343, 34543, 54323, 56543, 654323, 1234543, 7654567, 345676543, 987654323, 32123456789, 34567876543, 654323456789
Offset: 1

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Author

Omar E. Pol, Nov 13 2009

Keywords

Comments

Primes in A135602.
Primes whose structure of digits represents a right angle. The vertex is an internal digit. In the graphic representation the points are connected by imaginary line segments from left to right. This sequence is finite.

Crossrefs

Cf. A135602, A048398.

Extensions

More terms from Jens Kruse Andersen, Jun 26 2014

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

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