id:A049940 - 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, 1, 3, 6, 14, 26, 54, 119, 278, 503, 1008, 2027, 4094, 8412, 17554, 38194, 89848, 162143, 324288, 648587, 1297214, 2594652, 5190034, 10383154, 20779768, 41631830, 83498100, 167969126, 339831072, 695251878, 1453222088 (list; graph; listen)

	OFFSET	`1,3`
	CROSSREFS	`Sequence in context: A002219 A006906 A120940 this_sequence A051749 A030012 A001970` `Adjacent sequences: A049937 A049938 A049939 this_sequence A049941 A049942 A049943`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

AT&T Labs Research