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A140793 Smallest prime which is the concatenation of 2 or more consecutive numbers starting with n. 0
23, 345678910111213141516171819, 4567, 567891011121314151617, 67, 78910111213, 89 (list; graph; refs; listen; history; internal format)
OFFSET

2,1

COMMENTS

Comment from Ray G. Opao (qzxpqbp(AT)gmail.com), Sep 30 2008: a(9) is the following number:

0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,

91011121314151617181920212223242526272829303132333435363738394041424\

34445464748495051525354555657585960616263646566676869707172737475767\

77879808182838485868788899091929394959697989910010110210310410510610\

71081091101111121131141151161171181191201211221231241251261271281291\

30131132133134135136137138139140141142143144145146147148149150151152\

15315415515615715815916016116216316416516616716816917017117217317417\

5176177178179180181182183184185186187.

CROSSREFS

Sequence in context: A030464 A180731 A053558 * A023923 A202184 A075406

Adjacent sequences:  A140790 A140791 A140792 * A140794 A140795 A140796

KEYWORD

nonn,base

AUTHOR

Lekraj Beedassy (blekraj(AT)yahoo.com), Jul 15 2008

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Last modified February 17 13:28 EST 2012. Contains 206031 sequences.