id:A024506 - OEIS Search Results

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a(n) = [ C(2n,n)/2^(n+3) ].

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0, 0, 0, 0, 0, 0, 1, 3, 6, 11, 22, 43, 82, 158, 306, 591, 1146, 2225, 4327, 8426, 16432, 32082, 62707, 122687, 240263, 470916, 923720, 1813228, 3561699, 7000581, 13767809 (list; graph; listen)

	OFFSET	`0,8`
	CROSSREFS	`Sequence in context: A018177 A103322 A117075 this_sequence A068033 A088052 A045693` `Adjacent sequences: A024503 A024504 A024505 this_sequence A024507 A024508 A024509`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.

AT&T Labs Research