id:A049885 - OEIS Search Results

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

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1, 1, 1, 2, 4, 7, 15, 30, 60, 91, 197, 402, 807, 1616, 3233, 6466, 12932, 19399, 42031, 85679, 172167, 344739, 689683, 1379472, 2758975, 5517980, 11035975, 22071958, 44143919, 88287840, 176575681, 353151362, 706302724, 1059454087 (list; graph; listen)

	OFFSET	`1,4`
	CROSSREFS	`Sequence in context: A027167 A136336 A115178 this_sequence A129682 A129981 A072964` `Adjacent sequences: A049882 A049883 A049884 this_sequence A049886 A049887 A049888`
	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