A038513 Numbers with three not necessarily distinct prime factors with smallest prime >=5.

125, 175, 245, 275, 325, 343, 385, 425, 455, 475, 539, 575, 595, 605, 637, 665, 715, 725, 775, 805, 833, 845, 847, 925, 931, 935, 1001, 1015, 1025, 1045, 1075, 1085, 1105, 1127, 1175, 1183, 1235, 1265, 1295, 1309, 1325, 1331, 1421, 1435, 1445, 1463, 1475

Offset

0,1

Links

Harvey P. Dale, Table of n, a(n) for n = 0..10000

Mathematica

dpfQ[n_]:=PrimeOmega[n]==3&&FactorInteger[n][[1, 1]]>=5; Select[Range[ 2000], dpfQ] (* Harvey P. Dale, May 23 2014 *)

Crossrefs

Sequence in context: A196943 A307386 A307515 * A251125 A252065 A252058

Adjacent sequences: A038510 A038511 A038512 * A038514 A038515 A038516

Keyword

nonn

Author

Jeff Burch

Extensions

Corrected and extended by Harvey P. Dale, May 23 2014

Status

approved