id:A151565 - OEIS Search Results

Search: id:A151565

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First differences of A151566.

+0
5

1, 1, 2, 2, 2, 2, 4, 4, 2, 2, 4, 4, 4, 4, 8, 8, 2, 2, 4, 4, 4, 4, 8, 8, 4, 4, 8, 8, 8, 8, 16, 16, 2, 2, 4, 4, 4, 4, 8, 8, 4, 4, 8, 8, 8, 8, 16, 16, 4, 4, 8, 8, 8, 8, 16, 16, 8, 8, 16, 16, 16, 16, 32, 32, 2, 2, 4, 4, 4, 4, 8, 8, 4, 4, 8, 8, 8, 8, 16, 16, 4, 4, 8, 8, 8, 8, 16, 16, 8, 8, 16, 16, 16, 16, 32 (list; graph; listen)

	OFFSET	`1,3`
	COMMENT	`Sequence gives number of toothpicks added at the n-th generation of the leftist toothpick sequence A151566.` `Also, numbers of Gould's sequence (A001316), repeated. [From Omar E. Pol (info(AT)polprimos.com), Jun 12 2009]`
	FORMULA	`a(n) = A001316( floor((n-1)/2) ).` `a(n) = A060632(n-1), n>1. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Jul 07 2009]`
	CROSSREFS	`Cf. A001316, A139251, A151566, A160407. [From Omar E. Pol (info(AT)polprimos.com), Jun 12 2009]` `Sequence in context: A122386 A051464 A060632 this_sequence A160407 A007457 A119802` `Adjacent sequences: A151562 A151563 A151564 this_sequence A151566 A151567 A151568`
	KEYWORD	`nonn,easy`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), May 23 2009, May 24 2009`

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

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