OFFSET
1,1
LINKS
Robert Price, Table of n, a(n) for n = 1..5000
PROG
(PARI) for(n=1, 80, s=1; while((isprime(s)*s-1)%(9*n)>0, s++); print1(s, ", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
Amarnath Murthy, May 15 2002
EXTENSIONS
Corrected and extended by Benoit Cloitre, May 18 2002
STATUS
approved