id:A064143 - OEIS Search Results

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Sum of unitary prime divisors (A056169, A034444) of central binomial coefficient C(n,[n/2]).

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0, 2, 3, 5, 7, 5, 12, 14, 9, 7, 23, 21, 27, 27, 29, 31, 48, 46, 62, 60, 59, 59, 81, 79, 66, 66, 59, 59, 93, 93, 124, 126, 120, 118, 125, 123, 141, 141, 158, 156, 193, 193, 225, 225, 194, 194, 243, 241, 241, 241, 245, 245, 298, 298, 321, 321, 314, 314, 365, 365, 395 (list; graph; listen)

	OFFSET	`1,2`
	FORMULA	`a(n)=A063956[A001405(n)]`
	CROSSREFS	`A008472, A001405, A063956.` `Sequence in context: A080164 A126048 A081622 this_sequence A115274 A126890 A122637` `Adjacent sequences: A064140 A064141 A064142 this_sequence A064144 A064145 A064146`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Sep 11 2001`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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