A075113 - OEIS

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A075113

a(n) = A000217(n)-A048702(n).

0, 0, 0, 1, -1, 0, 4, 7, -7, -6, 0, 3, 13, 18, 28, 35, -35, -34, -24, -21, -5, 0, 14, 21, 43, 52, 70, 81, 105, 118, 140, 155, -155, -154, -136, -133, -105, -100, -78, -71, -35, -26, 0, 11, 47, 60, 90, 105, 151, 168, 202, 221, 265, 286, 324, 347, 399, 424, 466, 493, 545, 574, 620, 651, -651, -650, -616, -613, -561 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,7`
	CROSSREFS	`The positions of the zeros seem to be given by A000975. Also a(A000225(n)) = ((2^n)-1)(2^(n-1)) - (2^(2n) - 1)/3 = A006095(n).` `Sequence in context: A084104 A093582 A201940 A197739 A011222 A157298` `Adjacent sequences: A075110 A075111 A075112 * A075114 A075115 A075116`
	KEYWORD	`sign`
	AUTHOR	`Antti Karttunen Sep 02 2002`

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Last modified February 14 23:16 EST 2012. Contains 205687 sequences.