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 A001689 5th forward differences of factorial numbers A000142. (Formerly M4531 N1920) 8
 44, 309, 2428, 21234, 205056, 2170680, 25022880, 312273360, 4196666880, 60451816320, 929459059200, 15196285843200, 263309095526400, 4820517384883200, 92987329455820800, 1885246675183872000, 40080616912207872000, 891690242177839104000 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,1 REFERENCES N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). A. van Heemert, Cyclic permutations with sequences and related problems, J. Reine Angew. Math., 198 (1957), 56-72. LINKS T. D. Noe, Table of n, a(n) for n = 0..100 Milan Janjic, Enumerative Formulas for Some Functions on Finite Sets FORMULA a(n) = (n^5 + 10*n^4 + 45*n^3 + 100*n^2 + 109*n + 44)*n! - Mitch Harris, Jul 10 2008 E.g.f.: (44 + 45*x + 20*x^2 + 10*x^3 + x^5)/(1 - x)^6. - Ilya Gutkovskiy, Jan 20 2017 MATHEMATICA Differences[Table[n!, {n, 0, 25}], 5] (* T. D. Noe, Aug 09 2012 *) CROSSREFS Cf. A000142. Sequence in context: A060836 A135182 A094794 * A306937 A199828 A183633 Adjacent sequences:  A001686 A001687 A001688 * A001690 A001691 A001692 KEYWORD nonn,easy AUTHOR STATUS approved

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Last modified May 24 11:23 EDT 2019. Contains 323529 sequences. (Running on oeis4.)