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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. 2
1, 3, 3, 213, 213, 1383, 3091, 8129 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

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

LINKS

Table of n, a(n) for n=1..8.

CROSSREFS

Cf. A092209 A113456 A113466.

Sequence in context: A094755 A152418 A273925 * A113466 A007301 A009715

Adjacent sequences:  A113454 A113455 A113456 * A113458 A113459 A113460

KEYWORD

hard,nonn,less

AUTHOR

David Wasserman, Jan 08 2006

STATUS

approved

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Last modified November 22 08:33 EST 2019. Contains 329389 sequences. (Running on oeis4.)