id:A049960 - 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, 4, 8, 19, 35, 73, 161, 376, 680, 1363, 2741, 5536, 11375, 23737, 51647, 121495, 219254, 438511, 877037, 1754128, 3508559, 7018105, 14040383, 28098967, 56295692, 112908400, 227132417, 459528811, 940138484, 1965086401 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A116723 A058374 A007881 this_sequence A018306 A139784 A072925` `Adjacent sequences: A049957 A049958 A049959 this_sequence A049961 A049962 A049963`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

AT&T Labs Research