id:A049915 - 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, 2, 4, 5, 7, 17, 31, 50, 67, 182, 361, 710, 1387, 2642, 4756, 7580, 10222, 28022, 56041, 112070, 224107, 448082, 895636, 1789340, 3573742, 7127042, 14170036, 28004060, 54666862, 103996022, 187115026, 298238090, 402234112 (list; graph; listen)

	OFFSET	`1,2`
	CROSSREFS	`Sequence in context: A019277 A127791 A005620 this_sequence A119909 A097698 A101410` `Adjacent sequences: A049912 A049913 A049914 this_sequence A049916 A049917 A049918`
	KEYWORD	`nonn`
	AUTHOR	`Clark Kimberling (ck6(AT)evansville.edu)`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

AT&T Labs Research