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A067012 Absolute composites: every permutation of digits (dropping any leading zeros) is a composite number. +0
4
4, 6, 8, 9, 12, 15, 18, 21, 22, 24, 25, 26, 27, 28, 33, 36, 39, 40, 42, 44, 45, 46, 48, 49, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 72, 75, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 93, 94, 96, 99, 102, 105, 108, 111, 114, 116, 117, 120, 122, 123 (list; graph; listen)
OFFSET

1,1

EXAMPLE

18 is a term since it is composite and the permutation 81 is composite too.

CROSSREFS

Cf. A067013.

Sequence in context: A161576 A100425 A130074 this_sequence A157942 A122786 A092630

Adjacent sequences: A067009 A067010 A067011 this_sequence A067013 A067014 A067015

KEYWORD

base,nonn

AUTHOR

Lior Manor (lior.manor(AT)gmail.com) Dec 26 2001

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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