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A199168
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Numbers whose digits are a permutation of (0,...,m) for some m.
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1
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0, 10, 102, 120, 201, 210, 1023, 1032, 1203, 1230, 1302, 1320, 2013, 2031, 2103, 2130, 2301, 2310, 3012, 3021, 3102, 3120, 3201, 3210, 10234, 10243, 10324, 10342, 10423, 10432, 12034, 12043, 12304, 12340, 12403, 12430, 13024, 13042, 13204, 13240, 13402, 13420
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OFFSET
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1,2
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COMMENTS
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2013 is the fourth odd term in this sequence: Up to and including the 5 digit terms, odd terms must end in 1 or 3.
Due to the fact that 0 is not allowed as initial digit, this sequence is quite different from A030299, the analog with digits (1,...,m) instead of (0,...,m).
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LINKS
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PROG
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(PARI) n_digit_terms(n)={my(a=[], p=vector(n, i, 10^(n-i))~); for(i=(n-1)!, n!-(n>1), a=concat(a, numtoperm(n, i)%n*p)); vecsort(a)} \\ - M. F. Hasler, Jan 08 2013
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CROSSREFS
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Cf. A187796 (subset of primes), A203569 (also a subset), A030299 (permutations of 1..m) and references therein.
Pandigital numbers A050278 are also a subset.
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KEYWORD
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nonn,base,easy
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AUTHOR
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STATUS
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approved
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