id:A049978 - 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, 3, 4, 9, 20, 38, 78, 157, 319, 630, 1262, 2525, 5055, 10121, 20260, 40560, 81199, 162242, 324486, 648973, 1297951, 2595913, 5191844, 10383728, 20767535, 41535232, 83070775, 166142182, 332285627, 664573784, 1329152634 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A028344 A078010 A110810 this_sequence A092763 A116868 A049976` `Adjacent sequences: A049975 A049976 A049977 this_sequence A049979 A049980 A049981`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 22 15:28 EST 2009. Contains 167310 sequences.

AT&T Labs Research