OFFSET
1,1
EXAMPLE
a(5) = 101 because 101103107109113 = A086041(6) is the smallest emirp formed by concatenating 5 consecutive primes (101, 103, 107, 109, 113).
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, Feb 18 2010
EXTENSIONS
Keyword:base added and definition reworded by R. J. Mathar, Feb 24 2010
More terms from Sean A. Irvine, Nov 14 2010
STATUS
approved