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 A174299 a(n) = floor(n!*exp(-n)). 1
 1, 0, 0, 0, 0, 0, 1, 4, 13, 44, 164, 666, 2943, 14075, 72491, 400020, 2354549, 14725237, 97508021, 681552735, 5014584787, 38740015633, 313536416649, 2652902840111, 23422761943259, 215418814359446, 2060451979153567, 20465943911593383, 210812000258805578, 2249048624575857158, 24821362535291019333 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,8 LINKS MAPLE A174299:=n->floor(n!*exp(-n)): seq(A174299(n), n=0..30); # Wesley Ivan Hurt, Aug 20 2015 MATHEMATICA Table[Floor[n!*Exp[ -n]], {n, 0, 20}] PROG (PARI) first(m)=vector(m, i, i--; floor(i!/exp(i))) \\ Anders HellstrÃ¶m, Aug 20 2015 (MAGMA) [Floor(Factorial(n) / (Exp(n))): n in [0..40]]; // Vincenzo Librandi, Aug 21 2015 CROSSREFS Sequence in context: A124463 A081197 A005490 * A285188 A192255 A035356 Adjacent sequences:  A174296 A174297 A174298 * A174300 A174301 A174302 KEYWORD nonn,easy AUTHOR Roger L. Bagula, Mar 15 2010 EXTENSIONS Notation standardized by the Assoc. Eds. of the OEIS, Mar 31 2010 Added more terms and prepended terms a(0)..a(5), Joerg Arndt, Aug 13 2015 STATUS approved

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Last modified April 3 14:25 EDT 2020. Contains 333197 sequences. (Running on oeis4.)