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Search: id:A113457
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A113457 Least number that begins an n-term arithmetic progression with common difference 2 in which all terms have the same prime signature. +0
3
1, 3, 3, 213, 213, 1383, 3091, 8129 (list; graph; listen)
OFFSET

1,2

COMMENT

Second column of A113456. a(9) >= 37887000000.

CROSSREFS

Cf. A092209 A113456 A113466.

Sequence in context: A071536 A094755 A152418 this_sequence A113466 A007301 A009715

Adjacent sequences: A113454 A113455 A113456 this_sequence A113458 A113459 A113460

KEYWORD

hard,nonn,less

AUTHOR

David Wasserman (dwasserm(AT)earthlink.net), Jan 08 2006

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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