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 A019514 a(n) = (n!)^3 + 1. 3
 2, 2, 9, 217, 13825, 1728001, 373248001, 128024064001, 65548320768001, 47784725839872001, 47784725839872000001, 63601470092869632000001, 109903340320478724096000001, 241457638684091756838912000001 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 COMMENTS Since this is a sum of two cubes, it can be factorized. So all terms are divisible by n!+1. Thus only two primes occur in this sequence: a(0) and a(1). - Dmitry Kamenetsky, Sep 30 2008 REFERENCES M. Le, On the Interesting Smarandache Product Sequences, Smarandache Notions Journal, Vol. 9, No. 1-2, 1998, 133-134. M. Le, The Primes in Smarandache Power Product Sequences, Smarandache Notions Journal, Vol. 9, No. 1-2, 1998, 96-97. F. Iacobescu, Smarandache Partition Type and Other Sequences, Bull. Pure Appl. Sciences, Vol. 16E, No. 2 (1997), pp. 237-240. LINKS G. C. Greubel, Table of n, a(n) for n = 0..181 F. Smarandache, Collected Papers, Vol. II F. Smarandache, Sequences of Numbers Involved in Unsolved Problems. Eric Weisstein's World of Mathematics, Factorial Eric Weisstein's World of Mathematics, Smarandache Sequences MATHEMATICA Table[(n!)^3 + 1, {n, 0, 25}] (* G. C. Greubel, Nov 30 2016 *) CROSSREFS Sequence in context: A205390 A204265 A081086 * A135816 A157341 A038036 Adjacent sequences:  A019511 A019512 A019513 * A019515 A019516 A019517 KEYWORD nonn,easy AUTHOR R. Muller STATUS approved

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Last modified March 22 01:06 EDT 2019. Contains 321406 sequences. (Running on oeis4.)