OFFSET
1,2
COMMENTS
Integers n dividing A000009(n)-1.
No other terms below 10^8.
LINKS
Eric Weisstein's World of Mathematics, Partition Function Q
CROSSREFS
KEYWORD
nonn,more
AUTHOR
Max Alekseyev, Jul 04 2009
EXTENSIONS
a(1)=1 prepended by Max Alekseyev, Dec 28 2011
a(13)-a(15) from Max Alekseyev, Jul 10 2015
STATUS
approved