id:A091862 - OEIS Search Results

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a(n) = 1 if the sum of all exponents of the prime-factorization of n has no carries when summed in base 2, or a(n) = 0 if there are any carries.

+0
2

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

	OFFSET	`1,1`
	LINKS	`Leroy Quet, Home Page (listed in lieu of email address)`
	EXAMPLE	`a(12) = 1 because 12 = 2^2 3^1 and, in base 2, 2 = '10', 1 = '1' and '10' and '1' have their ones in different positions. But a(24) = 0 because 24 = 2^3 3^1 and in base 2 3 = '11', 1 = '1', which both share a rightmost one.`
	CROSSREFS	`Cf. A091863.` `Sequence in context: A010055 A076699 A142720 this_sequence A167020 A163812 A163818` `Adjacent sequences: A091859 A091860 A091861 this_sequence A091863 A091864 A091865`
	KEYWORD	`nonn`
	AUTHOR	`Leroy Quet, Mar 13 2004`
	EXTENSIONS	`More terms from Pab Ter (pabrlos(AT)yahoo.com), May 25 2004`

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Last modified November 27 22:38 EST 2009. Contains 167602 sequences.

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