id:A049935 - 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, 1, 1, 4, 11, 19, 41, 97, 272, 448, 899, 1813, 3704, 7759, 16883, 39712, 111377, 183043, 366089, 732193, 1464464, 2929279, 5859923, 11725792, 23483537, 47110405, 94769960, 191737006, 392270525, 819925663, 1784477927, 4197144511 (list; graph; listen)

	OFFSET	`1,4`
	CROSSREFS	`Sequence in context: A038439 A038431 A009908 this_sequence A074973 A025526 A047962` `Adjacent sequences: A049932 A049933 A049934 this_sequence A049936 A049937 A049938`
	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