id:A152976 - OEIS Search Results

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Denominators of the redundant Stern-Brocot structure; numerators=A152975.

+0
4

1, 2, 3, 1, 3, 6, 3, 5, 2, 3, 1, 4, 9, 5, 10, 5, 9, 4, 7, 3, 6, 3, 5, 2, 3, 1, 5, 12, 7, 15, 8, 15, 7, 14, 7, 15, 8, 15, 7, 12, 5, 9, 4, 9, 5, 10, 5, 9, 4, 7, 3, 6, 3, 5, 2, 3, 1, 6, 15, 9, 20, 11, 21, 10, 21, 11, 24, 13, 25, 12, 21, 9, 18, 9, 21, 12, 25, 13, 24, 11, 21, 10, 21, 11, 20, 9, 15, 6 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`a(2^n-n+2k) = A047679(2^(n-1)+k) for 0<=k<2^(n-1);` `a(2^n-n+2k-1) = A047679(2^(n-1)+k-1) + A047679(2^(n-1)+k) for 0<k<2^(n-1);` `A060188(k+2) = Sum(a(i): 2^k <= i < 2^(k+1)).`
	REFERENCES	`Milad Niqui, Formalising Exact Arithmetic, Ph.D. thesis, Radboud Universiteit Nijmegen, IPA Dissertation Series 2004-10, 2.6, p.65f .`
	LINKS	`Milad Niqui, Formalising Exact Arithmetic`
	CROSSREFS	`Sequence in context: A047973 A020501 A086404 this_sequence A153861 A118981 A117938` `Adjacent sequences: A152973 A152974 A152975 this_sequence A152977 A152978 A152979`
	KEYWORD	`frac,nonn,tabf`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Dec 22 2008`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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