OFFSET
1,1
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 1..300 [Corrected by Sean A. Irvine]
MATHEMATICA
Take[ Select[ Union[ Flatten[ Table[2^i*3^j + (i + j), {i, 0, 25}, {j, 0, 18}]]], PrimeQ[ # ] &], 30]
CROSSREFS
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Mar 18 2002
EXTENSIONS
Edited and extended by Robert G. Wilson v, May 09 2003
STATUS
approved