id:A049952 - OEIS Search Results

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a(n)=a(1)+a(2)+...+a(n-1)+a(m), where m=2n-3-2^(p+1) and 2^p<n-1<=2^(p+1).

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1, 2, 2, 6, 13, 25, 51, 113, 264, 478, 957, 1925, 3888, 7989, 16671, 36273, 85329, 153988, 307977, 615965, 1231968, 2464149, 4928991, 9860913, 19734609, 39537876, 79298400, 159520791, 322738605, 660282828, 1380129447, 3003699099 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A159322 A049313 A049954 this_sequence A019100 A019101 A051890` `Adjacent sequences: A049949 A049950 A049951 this_sequence A049953 A049954 A049955`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

AT&T Labs Research