OFFSET
1,2
COMMENTS
a(29) > 10^12. - Lucas A. Brown, Oct 18 2020
LINKS
Lucas A. Brown, semiprimemods.py
EXAMPLE
a(3)=12 is a term because the 12th semiprime (i.e., 34) == 10 (mod 12).
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Shyam Sunder Gupta, May 07 2005
EXTENSIONS
a(18) from Donovan Johnson, Oct 29 2008
a(19)-a(28) by Lucas A. Brown, Oct 18 2020
a(1)-a(3) by Lucas A. Brown, Nov 23 2020
STATUS
approved