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A046305 Divisible by at least 6 primes (counted with multiplicity). 5
64, 96, 128, 144, 160, 192, 216, 224, 240, 256, 288, 320, 324, 336, 352, 360, 384, 400, 416, 432, 448, 480, 486, 504, 512, 528, 540, 544, 560, 576, 600, 608, 624, 640, 648, 672, 704, 720, 729, 736, 756, 768, 784, 792, 800, 810, 816, 832, 840, 864, 880, 896 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

John Cerkan, Table of n, a(n) for n = 0..10000

FORMULA

Product p_i^e_i with Sum e_i >= 6.

a(n) = n + O(n (log log n)^4/log n). - Charles R Greathouse IV, Apr 07 2017

MATHEMATICA

Select[Range[1000], Total[Transpose[FactorInteger[#]][[2]]]>5&]  (* Harvey P. Dale, Jan 13 2011 *)

Select[Range[1000], PrimeOmega[#]>5&] (* Harvey P. Dale, Apr 14 2019 *)

PROG

(PARI) is(n)=bigomega(n)>5 \\ Charles R Greathouse IV, Sep 17 2015

CROSSREFS

Subsequence of A033987 and A046304.

Cf. A046306.

Sequence in context: A114407 A259942 A114417 * A114828 A036330 A046306

Adjacent sequences:  A046302 A046303 A046304 * A046306 A046307 A046308

KEYWORD

nonn

AUTHOR

Patrick De Geest, Jun 15 1998

STATUS

approved

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Last modified October 19 03:54 EDT 2019. Contains 328211 sequences. (Running on oeis4.)