OFFSET
55,2
LINKS
G. C. Greubel, Table of n, a(n) for n = 55..10000
FORMULA
From G. C. Greubel, Nov 03 2018: (Start)
G.f.: x^55/(1-x)^56.
E.g.f.: x^55*exp(x)/55!. (End)
From Amiram Eldar, Dec 16 2020: (Start)
Sum_{n>=55} 1/a(n) = 55/54.
MATHEMATICA
Table[Binomial[n, 55], {n, 55, 80}] (* Vladimir Joseph Stephan Orlovsky, May 16 2011 *)
PROG
(Sage) [binomial(n, 55) for n in range(55, 73)] # Zerinvary Lajos, May 23 2009
(PARI) for(n=55, 80, print1(binomial(n, 55), ", ")) \\ G. C. Greubel, Nov 03 2018
(Magma) [Binomial(n, 55): n in [55..80]]; // G. C. Greubel, Nov 03 2018
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
approved