A121977 Numbers with a distinct frequency for each decimal digit.

100000000011111112222222333333444445555666778, 100000000011111112222222333333444445555666779, 100000000011111112222222333333444445555666787, 100000000011111112222222333333444445555666788, 100000000011111112222222333333444445555666797, 100000000011111112222222333333444445555666799, 100000000011111112222222333333444445555666877, 100000000011111112222222333333444445555666878

Offset

1,1

Links

Table of n, a(n) for n=1..8.

Example

100000000011111112222222333333444445555666778 has 9 0's, 8 1's, 7 2's, 6 3's, 5 4's, 4 5's, 3 6's, 2 7's, 1 8 and 0 9's. 121 is not in the sequence because there are eight digits it has zero of.

Crossrefs

Cf. A044959, A044951.

Subsequence of A179239.

Sequence in context: A291353 A095480 A292857 * A095482 A160678 A095484

Adjacent sequences: A121974 A121975 A121976 * A121978 A121979 A121980

Keyword

base,nonn

Author

Franklin T. Adams-Watters, Sep 05 2006

Status

approved