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A143857 a(n) = n + (n+1)*(n+2)^(n+3). 3
8, 163, 3074, 62503, 1399684, 34588811, 939524102, 27894275215, 900000000008, 31384283767219, 1176925259169802, 47248516628391479, 2022385242251558924, 91957716979980468763, 4427218577690292387854, 225009351233083599856159 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
Suggested by Karl Vago's contributions to Dario Alpern's list of records.
LINKS
FORMULA
a(n) = n + A061250(n+3). - R. J. Mathar, Sep 04 2008
EXAMPLE
a(1) = 1+(1+1)*(1+2)^(1+3) = 1+2*3^4 = 163.
MAPLE
A143857:=n->n+(n+1)*(n+2)^(n+3); seq(A143857(n), n=0..20); # Wesley Ivan Hurt, Mar 20 2014
MATHEMATICA
Table[n + (n+1)*(n+2)^(n+3), {n, 0, 20}] (* Vincenzo Librandi, Mar 20 2014 *)
PROG
(Magma) [n+(n+1)*(n+2)^(n+3): n in [0..20]]; // Vincenzo Librandi, Dec 27 2010
(PARI) vector(21, n, (n-1) + n*(n+1)^(n+2)) \\ G. C. Greubel, Nov 09 2019
(Sage) [n + (n+1)*(n+2)^(n+3) for n in (0..20)] # G. C. Greubel, Nov 09 2019
(GAP) List([0..20], n-> n + (n+1)*(n+2)^(n+3)); # G. C. Greubel, Nov 09 2019
CROSSREFS
Sequence in context: A061711 A316998 A075387 * A025606 A224899 A281830
KEYWORD
nonn,easy
AUTHOR
Reinhard Zumkeller, Sep 03 2008
STATUS
approved

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Last modified March 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)