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A024498 a(n) = [ C(2n,n)/n ]. 1
2, 3, 6, 17, 50, 154, 490, 1608, 5402, 18475, 64130, 225346, 800046, 2865471, 10341168, 37567524, 137270954, 504174183, 1860277042, 6892326441, 25631327354, 95640861987, 357975249026, 1343650153462, 5056424257510, 19073789728773, 72108867616596 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..27.

MATHEMATICA

Table[Floor[Binomial[2n, n]/n], {n, 40}] (* Harvey P. Dale, Nov 28 2014 *)

CROSSREFS

Sequence in context: A204514 A338594 A078344 * A319283 A325298 A073591

Adjacent sequences:  A024495 A024496 A024497 * A024499 A024500 A024501

KEYWORD

nonn

AUTHOR

Clark Kimberling

STATUS

approved

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Last modified March 7 19:13 EST 2021. Contains 341928 sequences. (Running on oeis4.)