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A087333 Smallest prime which begins with the concatenation of n successive odd numbers. 1
3, 13, 3571, 13577, 135799, 135791107, 13579111307, 1357911131503, 13579111315171, 135791113151719, 1357911131517192157, 13579111315171921231, 35791113151719212325277, 357911131517192123252729 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

a(4) = 13577 begins with the concatenation of 1,3,5 and 7.

CROSSREFS

Cf. A087332.

Sequence in context: A022507 A108583 A127855 * A016104 A112856 A007523

Adjacent sequences:  A087330 A087331 A087332 * A087334 A087335 A087336

KEYWORD

base,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Sep 06 2003

EXTENSIONS

More terms from David Wasserman (wasserma(AT)spawar.navy.mil), May 06 2005

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Last modified February 15 17:13 EST 2012. Contains 205828 sequences.