A078491 - OEIS

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A078491

LCM(1..Cat(n)), where Cat(n) = n-th Catalan number.

1, 1, 2, 60, 360360, 219060189739591200, 1749342047920660916901891145781670987072592322134428432000 (list; graph; refs; listen; history; text; internal format)

	OFFSET	`0,3`
	COMMENTS	`For every cycle count LCM-sequence Axxxxxx in A073204 it holds that Axxxxxx[n] divides a(n). And this also applies to similar LCM-sequences induced by other "gatomorphisms", cf. A060113.`
	LINKS	`Table of n, a(n) for n=0..6.` `Index entries for sequences related to lcm's`
	FORMULA	`a(n) = A003418(A000108(n))`
	CROSSREFS	`Composition of the sequences A000108 and A003418.` `Sequence in context: A082787 A078423 A121493 * A182856 A101896 A130411` `Adjacent sequences: A078488 A078489 A078490 * A078492 A078493 A078494`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen, Jan 04 2003`
	STATUS	`approved`

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Last modified June 19 10:21 EDT 2013. Contains 226401 sequences.