login
A085772
(n / sum of digits of n) is a semiprime.
2
10, 12, 20, 24, 30, 36, 40, 48, 50, 54, 60, 70, 80, 81, 90, 102, 110, 126, 132, 135, 150, 204, 220, 225, 230, 234, 264, 306, 315, 322, 330, 342, 351, 375, 378, 396, 408, 410, 414, 440, 441, 460, 468, 506, 510, 513, 522, 550, 552, 594, 605, 621, 644, 660, 684
OFFSET
1,1
LINKS
MATHEMATICA
Select[Range[700], PrimeOmega[#/Total[IntegerDigits[#]]]==2&] (* Harvey P. Dale, Jul 12 2016 *)
CROSSREFS
Cf. A001358.
Sequence in context: A338855 A221638 A358998 * A162189 A186438 A346678
KEYWORD
base,nonn
AUTHOR
Jason Earls, Jul 23 2003
STATUS
approved