OFFSET
1,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 1..1000
EXAMPLE
The derived numbers 11311,11399,11633,11933,22111,22277,...are also primes.
MATHEMATICA
FromDigits /@ Select[IntegerDigits@Prime@Range[400], PrimeQ@FromDigits@Flatten@{First@#, #, Last@#} &] - Giovanni Resta, Apr 04 2006
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Lekraj Beedassy, Mar 25 2006
EXTENSIONS
More terms from Giovanni Resta, Apr 04 2006
STATUS
approved