

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.


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CROSSREFS



KEYWORD

base,easy,fini,full,nonn


AUTHOR



EXTENSIONS



STATUS

approved



