login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A010992 Binomial coefficient C(n,39). 5
1, 40, 820, 11480, 123410, 1086008, 8145060, 53524680, 314457495, 1677106640, 8217822536, 37353738800, 158753389900, 635013559600, 2403979904200, 8654327655120, 29749251314475, 97997533741800, 310325523515700, 947309492837400, 2794563003870330 (list; graph; refs; listen; history; text; internal format)
OFFSET

39,2

LINKS

T. D. Noe, Table of n, a(n) for n = 39..1000

FORMULA

G.f.: x^39/(1-x)^40. - Zerinvary Lajos, Dec 19 2008

From Amiram Eldar, Dec 15 2020: (Start)

Sum_{n>=39} 1/a(n) = 39/38.

Sum_{n>=39} (-1)^(n+1)/a(n) = A001787(39)*log(2) - A242091(39)/38! = 10720238370816*log(2) - 63624578230235205349866541/8562390155550 = 0.9761396932... (End)

MAPLE

seq(binomial(n, 39), n=39..57); # Zerinvary Lajos, Dec 19 2008

MATHEMATICA

Table[Binomial[n, 39], {n, 39, 70}] (* Vladimir Joseph Stephan Orlovsky, May 16 2011 *)

PROG

(Magma) [Binomial(n, 39): n in [39..70]]; // Vincenzo Librandi, Jun 12 2013

CROSSREFS

Cf. A010990, A010991, A001787, A242091.

Sequence in context: A161653 A162176 A162402 * A250584 A004421 A247411

Adjacent sequences: A010989 A010990 A010991 * A010993 A010994 A010995

KEYWORD

nonn

AUTHOR

N. J. A. Sloane.

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 21:39 EDT 2023. Contains 361599 sequences. (Running on oeis4.)