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A010966
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Binomial coefficient C(n,13).
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7
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1, 14, 105, 560, 2380, 8568, 27132, 77520, 203490, 497420, 1144066, 2496144, 5200300, 10400600, 20058300, 37442160, 67863915, 119759850, 206253075, 347373600, 573166440, 927983760, 1476337800, 2310789600
(list; graph; refs; listen; history; internal format)
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OFFSET
| 13,2
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COMMENTS
| a(n) = -A110555(n+1,13). - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jul 27 2005
In this sequence there are no primes - Artur Jasinski (grafix(AT)csl.pl), Dec 02 2007
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LINKS
| Milan Janjic, Two Enumerative Functions
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FORMULA
| a(n+12)=n(n+1)(n+2)(n+3)(n+4)(n+5)(n+6)(n+7)(n+8)(n+9)(n+10)(n+11)(n+12)/13! - Artur Jasinski (grafix(AT)csl.pl), Dec 02 2007, R. J. Mathar, Jul 07 2009.
Gf.: x^13/(1-x)^14 [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 06 2008]
a(n) = n/(n-13) * a(n-1), n>13. - Vincenzo Librandi, Mar 26 2011
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MAPLE
| seq(binomial(n, 13), n=13..36); [From Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Aug 06 2008]
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MATHEMATICA
| Table[Binomial[n, 13], {n, 13, 50}] (* From Vladimir Joseph Stephan Orlovsky, Apr 22 2011 *)
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PROG
| (MAGMA) [ Binomial(n, 13): n in [13..50]]; - Vincenzo Librandi, Mar 26 2011
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CROSSREFS
| Cf. A000581.
Sequence in context: A068390 A162632 A008506 * A022579 A061179 A076128
Adjacent sequences: A010963 A010964 A010965 * A010967 A010968 A010969
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KEYWORD
| nonn
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AUTHOR
| N. J. A. Sloane (njas(AT)research.att.com).
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EXTENSIONS
| Some formulas for different offsets rewritten by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 07 2009
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