id:A023852 - OEIS Search Results

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Sum of exponents in prime-power factorization of C(6n,n).

+0
1

2, 3, 6, 5, 7, 9, 9, 8, 10, 10, 14, 13, 12, 15, 16, 15, 16, 16, 19, 16, 18, 22, 24, 22, 23, 21, 23, 22, 22, 24, 25, 25, 24, 25, 28, 25, 27, 28, 28, 26, 31, 30, 38, 36, 33, 38, 38, 37, 35, 36, 38, 33, 33, 37, 38, 36, 39, 37, 43, 39, 41, 43, 46, 42, 40, 41, 45, 46, 43, 47, 46, 45, 46, 47, 49, 47, 45 (list; graph; listen)

	OFFSET	`1,1`
	MAPLE	`with(numtheory):a:=proc(n) if n=0 then 0 else bigomega(binomial(6*n, n)) fi end: seq(a(n), n=1..77); - Zerinvary Lajos (zerinvarylajos(AT)yahoo.com), Apr 11 2008`
	CROSSREFS	`Sequence in context: A097723 A087786 A080950 this_sequence A048750 A035493 A070038` `Adjacent sequences: A023849 A023850 A023851 this_sequence A023853 A023854 A023855`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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