id:A049886 - OEIS Search Results

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

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1, 1, 1, 2, 4, 8, 16, 32, 63, 127, 254, 508, 1015, 2028, 4052, 8096, 16176, 32383, 64766, 129532, 259063, 518124, 1036244, 2072480, 4144944, 8289857, 16579650, 33159173, 66318092, 132635677, 265270341, 530538658, 1061073272, 2122154639 (list; graph; listen)

	OFFSET	`1,4`
	CROSSREFS	`Sequence in context: A001949 A001592 A140134 this_sequence A128901 A025489 A036140` `Adjacent sequences: A049883 A049884 A049885 this_sequence A049887 A049888 A049889`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 1 13:27 EST 2009. Contains 167806 sequences.

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