id:A127943 - OEIS Search Results

Search: id:A127943

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a(n)=2^C(n+1,2)/A046161(n).

+0
2

1, 1, 1, 4, 8, 128, 2048, 131072, 2097152, 536870912, 137438953472, 140737488355328, 72057594037927936, 295147905179352825856, 1208925819614629174706176, 19807040628566084398385987584 (list; graph; listen)

	OFFSET	`0,4`
	FORMULA	`a(n)=2^C(n+1,2)/denominator(C(2n,n)/4^n); a(n)=2^A127944(n);`
	CROSSREFS	`Sequence in context: A012940 A013049 A060239 this_sequence A012498 A133262 A120822` `Adjacent sequences: A127940 A127941 A127942 this_sequence A127944 A127945 A127946`
	KEYWORD	`easy,nonn`
	AUTHOR	`Paul Barry (pbarry(AT)wit.ie), Feb 08 2007`

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Last modified November 27 14:17 EST 2009. Contains 167569 sequences.

AT&T Labs Research