OFFSET
1,2
COMMENTS
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..930
PROG
(PARI) lista(nn) = {for (n=1, nn, ab = sigma(n)/n; hm = numdiv(n)/ab; if ((type(hm) == "t_INT") && (ab != 2), print1(hm, ", ")); ); } \\ Michel Marcus, Oct 26 2013
CROSSREFS
KEYWORD
nonn,changed
AUTHOR
Lekraj Beedassy, Jan 07 2005
EXTENSIONS
a(1)=1 as well as a(29)=47 inserted and more terms added by Michel Marcus, Oct 26 2013
STATUS
approved