OFFSET
1,1
PROG
(PARI) lq080419b(n, a)=n*=2; until(0, numdiv(a++)==n || next; numdiv(a+n\2)==n && break); a
for(i=1, 99, print1(lq080419b(i)", "))
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Apr 19 2008
EXTENSIONS
a(11) from Jacques Tramu, Apr 20 2008
More terms from Jinyuan Wang, May 08 2021
STATUS
approved