id:A023817 - OEIS Search Results

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Sum of exponents in prime-power factorization of C(2n,n-1).

+0
1

0, 2, 2, 4, 4, 6, 4, 7, 6, 7, 6, 9, 8, 11, 9, 12, 9, 13, 10, 13, 12, 13, 12, 15, 14, 14, 14, 16, 14, 17, 12, 18, 16, 16, 15, 18, 15, 18, 17, 20, 19, 22, 20, 22, 22, 23, 20, 25, 21, 24, 22, 24, 22, 25, 21, 24, 22, 24, 23, 28, 26, 27, 26, 29, 25, 27, 25, 30, 28, 30, 26, 32, 29, 31, 31, 31, 31, 34, 29, 32 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A128923 A153835 A075857 this_sequence A145392 A034974 A048275` `Adjacent sequences: A023814 A023815 A023816 this_sequence A023818 A023819 A023820`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 4 15:11 EST 2009. Contains 170347 sequences.

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