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Search: id:A130091
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A130091 Numbers having in their canonical prime factorization mutually distinct exponents. +0
3
1, 2, 3, 4, 5, 7, 8, 9, 11, 12, 13, 16, 17, 18, 19, 20, 23, 24, 25, 27, 28, 29, 31, 32, 37, 40, 41, 43, 44, 45, 47, 48, 49, 50, 52, 53, 54, 56, 59, 61, 63, 64, 67, 68, 71, 72, 73, 75, 76, 79, 80, 81, 83, 88, 89, 92, 96, 97, 98, 99, 101, 103, 104, 107, 108, 109, 112, 113, 116 (list; graph; listen)
OFFSET

1,2

COMMENT

Complement of A130092; A006939 and A000961 are subsequences;

a(n)<A130092(n) for n<=150, a(n)>A130092(n) for n>150.

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..10000

Eric Weisstein's World of Mathematics, Prime Factorization

CROSSREFS

Sequence in context: A050746 A039117 A107750 this_sequence A119848 A048683 A085233

Adjacent sequences: A130088 A130089 A130090 this_sequence A130092 A130093 A130094

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 06 2007

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


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