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 A113902 Product of omega(n!) and bigomega(n!). 0
 0, 1, 4, 8, 15, 21, 32, 44, 52, 60, 80, 95, 120, 132, 144, 168, 203, 224, 264, 288, 304, 320, 369, 405, 423, 441, 468, 495, 560, 590, 660, 715, 737, 759, 781, 825, 912, 936, 960, 1008, 1105, 1144, 1246, 1288, 1330, 1358, 1470, 1545, 1575, 1620, 1650, 1695 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS omega(x!) is the number of primes <= x. LINKS FORMULA omega(x): number of distinct prime divisors of x. bigomega(x): number of prime divisors of x, counted with multiplicity. MATHEMATICA PrimeNu[#]PrimeOmega[#]&/@(Range[60]!) (* Harvey P. Dale, Aug 14 2013 *) PROG (PARI) omegafactxbigomegafact(n) = { local(x); for(x=1, n, print1(omega(x!)*bigomega(x!)", ") ) } CROSSREFS Sequence in context: A312753 A071422 A212538 * A024916 A212539 A102216 Adjacent sequences:  A113899 A113900 A113901 * A113903 A113904 A113905 KEYWORD easy,nonn AUTHOR Cino Hilliard, Jan 29 2006 STATUS approved

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Last modified February 22 17:14 EST 2020. Contains 332140 sequences. (Running on oeis4.)