OFFSET
1,1
LINKS
Daniel Starodubtsev, Table of n, a(n) for n = 1..10000
EXAMPLE
131 is a member as 1317131 and 71317 are both prime.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 28 2003
EXTENSIONS
More terms from mohammed bouayoun (bouyao(AT)wanadoo.fr), Feb 02 2004
STATUS
approved