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A252016
a(1)=2, a(2)=23; thereafter a(n) is the smallest prime which begins with the concatenation a(n-2)a(n-1).
1
2, 23, 223, 2322337, 223232233717, 232233722323223371711, 223232233717232233722323223371711159, 232233722323223371711223232233717232233722323223371711159007
OFFSET
1,1
COMMENTS
a(4) = 2322337 == 23, 223, 37
LINKS
CROSSREFS
Cf. A240563.
Sequence in context: A069614 A036937 A083808 * A037750 A037631 A026075
KEYWORD
nonn,base
AUTHOR
Giovanni Teofilatto, Dec 13 2014
EXTENSIONS
a(6)-a(8) from Alois P. Heinz, Jan 01 2015
STATUS
approved