OFFSET
1,6
COMMENTS
PROG
(PARI) a(n, m=3, d=4)={s=0; u=vector(m, n, 1)~; forvec(v=vector(m, i, [1, n]), numdiv(v*u)>d&&s++, 2); s}
CROSSREFS
KEYWORD
nonn
AUTHOR
M. F. Hasler, Apr 25 2014
STATUS
approved