id:A076178 - OEIS Search Results

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a(n)=2*n^2-A077071(n).

+0
3

0, 0, 0, 2, 2, 4, 6, 10, 10, 12, 14, 18, 20, 24, 28, 34, 34, 36, 38, 42, 44, 48, 52, 58, 60, 64, 68, 74, 78, 84, 90, 98, 98, 100, 102, 106, 108, 112, 116, 122, 124, 128, 132, 138, 142, 148, 154, 162, 164, 168, 172, 178, 182, 188, 194, 202, 206, 212, 218, 226, 232 (list; graph; listen)

	OFFSET	`0,4`
	LINKS	`R. Stephan, Some divide-and-conquer sequences ...` `R. Stephan, Table of generating functions`
	PROGRAM	`(PARI) a(n)=2n^2-sum(k=0, n, -valuation(polcoeff(pollegendre(2n), 2*k), 2))`
	CROSSREFS	`Equals 2 * A078903(n).` `Sequence in context: A018061 A166289 A071058 this_sequence A060988 A034406 A098330` `Adjacent sequences: A076175 A076176 A076177 this_sequence A076179 A076180 A076181`
	KEYWORD	`nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), Nov 01 2002`

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Last modified December 8 08:31 EST 2009. Contains 170430 sequences.

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