A069954 - OEIS

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A069954

C(2^(n+1),2^n)/2.

3, 35, 6435, 300540195, 916312070471295267, 11975573020964041433067793888190275875, 2884329411724603169044874178931143443870105850987581016304218283632259375395 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`Terms are always odd. a(1)=A061548(2) a(2)=A061548(3) a(3)=A061548(5) a(4)=A061548(9) a(5)=A061548(17)...Hence it seems that a(n)=A061548(A000051(n))`
	CROSSREFS	`Sequence in context: A132941 A068002 A132557 * A134098 A132513 A034174` `Adjacent sequences: A069951 A069952 A069953 * A069955 A069956 A069957`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 27 2002`

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Last modified February 15 21:56 EST 2012. Contains 205860 sequences.