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A069630 a(1) = 3; a(2n) = smallest prime starting (most significant digits) with a(2n-1). a(2n+1) = smallest prime ending (least significant digits)in a(2n). 0
3, 31, 131, 1319, 21319, 213193, 12213193, 122131939, 1122131939, 112213193909, 17112213193909, 171122131939093, 18171122131939093, 1817112213193909339, 61817112213193909339, 618171122131939093397, 60618171122131939093397 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..17.

CROSSREFS

Cf. A069614 to A069621, A069628 to A069636. Different from A069615.

Sequence in context: A199367 A119682 A267941 * A069615 A087389 A064055

Adjacent sequences:  A069627 A069628 A069629 * A069631 A069632 A069633

KEYWORD

nonn,base

AUTHOR

Amarnath Murthy, Mar 27 2002

EXTENSIONS

Edited and extended by Robert G. Wilson v, Apr 03 2002

STATUS

approved

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Last modified December 3 14:45 EST 2016. Contains 278745 sequences.