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A215814 60516*n^2 - 61008*n + 2481403. 3
2481403, 2480911, 2601451, 2843023, 3205627, 3689263, 4293931, 5019631, 5866363, 6834127, 7922923, 9132751, 10463611, 11915503, 13488427, 15182383, 16997371, 18933391, 20990443, 23168527, 25467643, 27887791, 30428971, 33091183, 35874427, 38778703, 41804011 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
The formula gives consecutive primes for n from 1 to 20, except n=9.
This is the case m=41*6=246 and k=41 of the polynomial m^2*n^2 + (m^2 - 2*m)*n + (m^2*k) - (m-1).
LINKS
FORMULA
G.f.: (2481403-4963298*x+2602927*x^2)/(1-x)^3. - Bruno Berselli, Aug 28 2012
MAPLE
A215814:=n->60516*n^2 - 61008*n + 2481403; seq(A215814(n), n=0..100); # Wesley Ivan Hurt, Nov 28 2013
MATHEMATICA
Table[60516 n^2 - 61008 n + 2481403, {n, 0, 30}] (* Vincenzo Librandi, Aug 29 2012 *)
PROG
(Magma) [60516*n^2-61008*n+2481403: n in [0..26]]; // Bruno Berselli, Aug 28 2012
(PARI) a(n)=60516*n^2-61008*n+2481403 \\ Charles R Greathouse IV, Jun 17 2017
CROSSREFS
Cf. A214732.
Sequence in context: A230015 A180705 A286036 * A114659 A179733 A234910
KEYWORD
nonn,easy
AUTHOR
Robert Potter, Aug 28 2012
EXTENSIONS
Offset changed from 1 to 0 and a(0) added from Vincenzo Librandi, Aug 29 2012
Gf adapted to the offset by Bruno Berselli, Aug 29 2012
STATUS
approved

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Last modified March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)