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A051575 a(n) = LCM { Catalan(0), ..., Catalan(n) }. 2
1, 1, 2, 10, 70, 210, 4620, 60060, 60060, 1021020, 19399380, 19399380, 446185740, 2230928700, 13385572200, 388181593800, 12033629407800, 12033629407800, 12033629407800, 445244288088600, 445244288088600, 18255015811632600 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,3
LINKS
MATHEMATICA
LCM@@@CatalanNumber@Range[0, Range[0, 20]] (* Vladimir Reshetnikov, Nov 17 2015 *)
PROG
(PARI) a(n) = if(n>1, lcm(a(n-1), binomial(2*n, n)/(n+1)), 1) \\ David A. Corneth, Aug 23 2016
CROSSREFS
Sequence in context: A139715 A293914 A259114 * A121201 A166076 A354307
KEYWORD
nonn
AUTHOR
STATUS
approved

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Last modified February 29 23:21 EST 2024. Contains 370428 sequences. (Running on oeis4.)