

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.


1




OFFSET

1,2


COMMENTS

Numbers n such that n and n+1 are members of A014778, but n1 and n+2 are not.  David Wasserman


REFERENCES

M. Protat, Des Olympiades a l'Agregation, Nombre de "1", Problem 89, pp. 182183, Ellipses, Paris 1997.


LINKS

Table of n, a(n) for n=1..10.


CROSSREFS

Cf. A014778.
Cf. A094798, A094799, A094801.
Sequence in context: A164321 A230019 A106777 * A200863 A179224 A237374
Adjacent sequences: A094797 A094798 A094799 * A094801 A094802 A094803


KEYWORD

base,easy,fini,full,nonn


AUTHOR

Lekraj Beedassy, Jun 11 2004


EXTENSIONS

Corrected by David Wasserman, Jun 29 2007. There are no further terms.


STATUS

approved



