id:A057516 - OEIS Search Results

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Number of sea-level valleys in Catalan mountain ranges encoded by A014486.

+0
2

0, 0, 1, 0, 2, 1, 1, 0, 0, 3, 2, 2, 1, 1, 2, 1, 1, 0, 0, 1, 0, 0, 0, 4, 3, 3, 2, 2, 3, 2, 2, 1, 1, 2, 1, 1, 1, 3, 2, 2, 1, 1, 2, 1, 1, 0, 0, 1, 0, 0, 0, 2, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 0, 5, 4, 4, 3, 3, 4, 3, 3, 2, 2, 3, 2, 2, 2, 4, 3, 3, 2, 2, 3, 2, 2, 1, 1, 2, 1, 1, 1, 3, 2, 2, 1, 1, 2, 1, 1, 1, 2, 1, 1 (list; graph; listen)

	OFFSET	`0,5`
	FORMULA	`a(0) = 0, a(n) = nops(binexp2pars(A014486[n]))-1 = A057515[n]-1`
	CROSSREFS	`Cf. A057514.` `Sequence in context: A025879 A125753 A147701 this_sequence A160381 A089311 A086784` `Adjacent sequences: A057513 A057514 A057515 this_sequence A057517 A057518 A057519`
	KEYWORD	`nonn`
	AUTHOR	`Antti Karttunen Sep 03 2000`

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.

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