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A052077 Smallest prime formed by concatenating n consecutive increasing numbers, or 0 if no such prime exists. 5
2, 23, 0, 4567, 1516171819, 0, 78910111213, 23456789, 0, 45678910111213, 129130131132133134135136137138139, 0, 567891011121314151617, 5051525354555657585960616263, 0, 128129130131132133134135136137138139140141142143 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Starting numbers in concatenations are given by A052079.

LINKS

C. Rivera, Prime Puzzle 78

CROSSREFS

Cf. A052078, A052079, A052080, A030997.

Sequence in context: A181235 A060601 A053952 * A124604 A107801 A076653

Adjacent sequences:  A052074 A052075 A052076 * A052078 A052079 A052080

KEYWORD

nonn,base,nice

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Jan 15 2000.

EXTENSIONS

Terms a(7)-a(15) are calculated by Carlos Rivera (crivera(AT)primepuzzles.net) and Felice Russo (frusso(AT)micron.com)

a(16) from Max Alekseyev (maxale(AT)gmail.com), Jan 31 2010

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Last modified February 17 06:10 EST 2012. Contains 205988 sequences.