A074750 Numbers k such that (largest prime dividing k) = (number of anti-divisors of k).

8, 16, 25, 48, 54, 63, 64, 75, 80, 90, 125, 126, 140, 147, 160, 210, 216, 240, 245, 250, 252, 275, 294, 300, 320, 325, 343, 350, 384, 504, 560, 585, 672, 700, 715, 819, 847, 891, 896, 1001, 1176, 1210, 1232, 1280, 1292, 1452, 1530, 1573, 1650, 1680, 1785

Offset

1,1

Comments

See A066272 for definition of anti-divisor.

Links

Table of n, a(n) for n=1..51.

Crossrefs

Cf. A006530, A066272.

Sequence in context: A331294 A182767 A302537 * A190519 A341611 A083419

Adjacent sequences: A074747 A074748 A074749 * A074751 A074752 A074753

Keyword

nonn

Author

Jason Earls, Sep 06 2002

Status

approved