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.

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A094800 First term of a run of exactly two consecutive numbers such that for each m in the run, exactly m 1's are used in writing out all numbers 1 through m.

Original entry on oeis.org

0, 200000, 2600000, 35000000, 35200000, 500000000, 500200000, 502600000, 535000000, 535200000
Offset: 1

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Author

Lekraj Beedassy, Jun 11 2004

Keywords

Comments

Numbers n such that n and n+1 are members of A014778, but n-1 and n+2 are not. - David Wasserman

References

  • M. Protat, Des Olympiades a l'Agregation, Nombre de "1", Problem 89, pp. 182-183, Ellipses, Paris 1997.

Crossrefs

Cf. A014778.
Cf. A094798, A094799, A094801.

Extensions

Corrected by David Wasserman, Jun 29 2007. There are no further terms.
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Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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