OFFSET
1,1
COMMENTS
Sequence is underdefined. The original author may have intended to say that the terms must be distinct and minimal; perhaps he should clarify. - Jonathan Vos Post, Mar 22 2006
See A092944 for additional clarification of definition.
EXAMPLE
a(6) = 28 because 15+16+17+18+19+28 = 113 is prime and 15*16*17*18*19*28 + 1 = 39070081 is prime.
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, Mar 23 2004
EXTENSIONS
a(6) from Jonathan Vos Post, Mar 22 2006
Edited and extended by Ray Chandler, May 07 2008
STATUS
approved