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Search: id:A121977
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| A121977 |
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Numbers with a distinct frequency for each decimal digit. |
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+0
2
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| 100000000011111112222222333333444445555666778, 100000000011111112222222333333444445555666779, 100000000011111112222222333333444445555666787, 100000000011111112222222333333444445555666788, 100000000011111112222222333333444445555666797, 100000000011111112222222333333444445555666799, 100000000011111112222222333333444445555666877, 100000000011111112222222333333444445555666878
(list; graph; listen)
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OFFSET
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1,1
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EXAMPLE
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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.
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CROSSREFS
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Cf. A044959, A044951.
Sequence in context: A095476 A095478 A095480 this_sequence A095482 A160678 A095484
Adjacent sequences: A121974 A121975 A121976 this_sequence A121978 A121979 A121980
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KEYWORD
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base,nonn
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AUTHOR
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Frank Adams-Watters (FrankTAW(AT)Netscape.net), Sep 05 2006
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