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 A010965 a(n) = binomial(n,12). 11
 1, 13, 91, 455, 1820, 6188, 18564, 50388, 125970, 293930, 646646, 1352078, 2704156, 5200300, 9657700, 17383860, 30421755, 51895935, 86493225, 141120525, 225792840, 354817320, 548354040, 834451800, 1251677700, 1852482996, 2707475148, 3910797436, 5586853480 (list; graph; refs; listen; history; text; internal format)
 OFFSET 12,2 COMMENTS In this sequence only 13 is prime. - Artur Jasinski, Dec 02 2007 LINKS T. D. Noe, Table of n, a(n) for n = 12..1000 FORMULA a(n) = A110555(n+1,12). - Reinhard Zumkeller, Jul 27 2005 a(n+11) = n(n+1)(n+2)(n+3)(n+4)(n+5)(n+6)(n+7)(n+8)(n+9)(n+10)(n+11)/12!. - Artur Jasinski, Dec 02 2007, R. J. Mathar, Jul 07 2009 G.f.: x^12/(1-x)^13. - Zerinvary Lajos, Aug 06 2008, R. J. Mathar, Jul 07 2009 From Amiram Eldar, Dec 10 2020: (Start) Sum_{n>=12} 1/a(n) = 12/11. Sum_{n>=12} (-1)^n/a(n) = A001787(12)*log(2) - A242091(12)/11! = 24576*log(2) - 3934820/231 = 0.9322955884... (End) MAPLE seq(binomial(n, 12), n=12..36); # Zerinvary Lajos, Aug 06 2008 MATHEMATICA Table[Binomial[n, 12], {n, 12, 50}] (* Vladimir Joseph Stephan Orlovsky, Apr 22 2011 *) PROG (MAGMA) [Binomial(n, 12): n in [12..100]]; // Vincenzo Librandi, Apr 22 2011 (PARI) for(n=12, 50, print1(binomial(n, 12), ", ")) \\ G. C. Greubel, Aug 31 2017 CROSSREFS Cf. A000581, A010966, A010967, A001787, A242091. Sequence in context: A247611 A008505 A008495 * A221144 A022578 A090020 Adjacent sequences:  A010962 A010963 A010964 * A010966 A010967 A010968 KEYWORD nonn AUTHOR EXTENSIONS Some formulas referring to other offsets corrected by R. J. Mathar, Jul 07 2009 STATUS approved

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Last modified July 24 05:05 EDT 2021. Contains 346273 sequences. (Running on oeis4.)