id:A101949 - OEIS Search Results

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A101949

Peak-trough transform of the prime-gap sequence (A001223).

+0
1

0, 0, 0, 1, -1, 1, -1, 0, 1, -1, 1, 0, -1, 0, 0, 0, -1, 1, 0, -1, 1, -1, 0, 3, 0, -1, 1, -1, 0, 3, -1, 1, -1, 3, -1, 0, 0, -1, 0, 0, -1, 3, -1, 1, -1, 0, 0, 0, -1, 0, 1, -1, 3, 0, 0, 0, -1, 1, 0, -1, 0, 3, 0, -3, 0, 3, -1, 1, -3, 0, 0 (list; graph; listen)

	OFFSET	`1,24`
	COMMENT	`The peak-trough transform is defined in A101941`
	EXAMPLE	`a(4)=1 because A101949(4) is greater than one nearest neighbor on both sides, i.e. A101949(3) and A101949(5), but no more than one.`
	CROSSREFS	`Cf. A001223, A101941.` `Sequence in context: A036860 A119624 A119612 this_sequence A124796 A065714 A110700` `Adjacent sequences: A101946 A101947 A101948 this_sequence A101950 A101951 A101952`
	KEYWORD	`sign`
	AUTHOR	`N. Fernandez (primeness(AT)borve.org), Dec 22 2004`

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Last modified November 30 22:12 EST 2008. Contains 150989 sequences.

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