OFFSET
1,1
LINKS
Colin Barker, Table of n, a(n) for n = 1..1000
EXAMPLE
67 is in the sequence because 67 = 11^2 - 6*3^2 and 67, 11 and 3 are all primes.
CROSSREFS
KEYWORD
nonn
AUTHOR
Colin Barker, Jul 31 2015
STATUS
approved