id:A049979 - OEIS Search Results

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

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1, 3, 4, 11, 30, 52, 112, 265, 743, 1224, 2456, 4953, 10119, 21197, 46123, 108490, 304273, 500059, 1000126, 2000293, 4000799, 8002557, 16008843, 32033930, 64155153, 128701875, 258903984, 523810232, 1071651837, 2239971619 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A141723 A100845 A019169 this_sequence A038559 A119042 A042273` `Adjacent sequences: A049976 A049977 A049978 this_sequence A049980 A049981 A049982`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified December 9 18:50 EST 2009. Contains 170568 sequences.

AT&T Labs Research