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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
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 * A320041 A016104 A112856
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Sep 06 2003
EXTENSIONS
More terms from David Wasserman, May 06 2005
STATUS
approved