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 A048764 Largest factorial <= n. 8
 1, 2, 2, 2, 2, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 REFERENCES K. Atanassov, On the 43rd and 44th Smarandache Problems, Notes on Number Theory and Discrete Mathematics, Sophia, Bulgaria, Vol. 5 (1999), No. 2, 86-88. J. Castillo, Other Smarandache Type Functions: Inferior/Superior Smarandache f-part of x, Smarandache Notions Journal, Vol. 10, No. 1-2-3, 1999, 202-204. LINKS Charles R Greathouse IV, Table of n, a(n) for n = 1..10000 K. Atanassov, On Some of Smarandache's Problems F. Smarandache, Only Problems, Not Solutions!. FORMULA a(n) >> n log log n / log n. - Charles R Greathouse IV, Sep 19 2012 MATHEMATICA Table[k = 1; While[(k + 1)! <= n, k++]; k!, {n, 80}] (* Michael De Vlieger, Aug 30 2016 *) PROG (PARI) a(n)=my(t=1, k=1); while(t<=n, t*=k++); t/k \\ Charles R Greathouse IV, Sep 19 2012 (Python) from sympy import factorial as f def a(n):     k=1     while f(k + 1)<=n: k+=1     return f(k) print [a(n) for n in xrange(1, 101)] # Indranil Ghosh, Jun 21 2017, after Mathematica code CROSSREFS Cf. A000142. Sequence in context: A116863 A136494 A260188 * A248782 A038714 A139554 Adjacent sequences:  A048761 A048762 A048763 * A048765 A048766 A048767 KEYWORD nonn,easy AUTHOR Charles T. Le (charlestle(AT)yahoo.com) STATUS approved

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Last modified May 21 10:48 EDT 2019. Contains 323443 sequences. (Running on oeis4.)