OFFSET
1,1
COMMENTS
Generated by n = 2, 3, 4, 8, 9, 10, 22, 35, 38, 49, 55, 64,...
LINKS
Charles R Greathouse IV, Table of n, a(n) for n = 1..10000
PROG
(PARI) for(n=2, 1e3, if(isprime(t=n*(n+3)/2-sigma(n)), print1(t", "))) \\ Charles R Greathouse IV, Jul 10 2011
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Jul 10 2011
EXTENSIONS
a(13)-a(50) from Charles R Greathouse IV, Jul 10 2011
STATUS
approved