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Table a(i,j) = product prime[k]^(Ei[k] AND Ej[k]) where Ei and Ej are the vectors of exponents in the prime factorizations of i and j; AND is the bitwise operation on binary representation of the exponents.

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1, 1, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 2, 1, 1, 1, 3, 1, 1, 3, 1, 1, 1, 2, 1, 1, 5, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 4, 1, 6, 1, 4, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 7, 2, 1, 1, 1, 1, 1, 1, 1, 3, 1, 5, 1, 1, 1, 1, 5, 1, 3, 1, 1 (list; table; graph; listen)

	OFFSET	`1,5`
	COMMENT	`Analogous to GCD, with AND replacing MIN.`
	EXAMPLE	`a(864,1944)=a(2^53^3,2^33^5)=2^(5 AND 3)* 3^(3 AND 5)=2^1*3^1=6.`
	CROSSREFS	`A003985, A003989, A059896, A059897.` `Sequence in context: A101871 A101875 A081387 this_sequence A117358 A062378 A073753` `Adjacent sequences: A059892 A059893 A059894 this_sequence A059896 A059897 A059898`
	KEYWORD	`base,easy,nonn,tabl`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com), Feb 06 2001`

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

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