id:A071042 - OEIS Search Results

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Number of 0's in n-th row of triangle in A070886.

+0
2

0, 1, 3, 3, 7, 7, 9, 7, 15, 15, 17, 15, 21, 19, 21, 15, 31, 31, 33, 31, 37, 35, 37, 31, 45, 43, 45, 39, 49, 43, 45, 31, 63, 63, 65, 63, 69, 67, 69, 63, 77, 75, 77, 71, 81, 75, 77, 63, 93, 91, 93, 87, 97, 91, 93, 79, 105, 99, 101, 87, 105, 91, 93, 63, 127, 127, 129, 127 (list; graph; listen)

	OFFSET	`0,3`
	COMMENT	`Also (omitting initial 0) number of 1's in n-th row of triangle in A071038.`
	REFERENCES	`S. Wolfram, A New Kind of Science, Wolfram Media, 2002; Chapter 3.`
	LINKS	`Index entries for sequences related to cellular automata`
	FORMULA	`a(2n) = a(n) + 2n, a(2n+1) = 2a(n) + 1. - Ralf Stephan, Oct 07 2003`
	CROSSREFS	`Cf. A001316.` `a(n) = 2n + 1 - A001316(n) = n + A048967(n).` `Sequence in context: A003817 A092474 A107470 this_sequence A128053 A063212 A088147` `Adjacent sequences: A071039 A071040 A071041 this_sequence A071043 A071044 A071045`
	KEYWORD	`nonn`
	AUTHOR	`Hans Havermann (pxp(AT)rogers.com), May 26 2002`

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.

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