id:A059896 - OEIS Search Results

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

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1, 2, 2, 3, 2, 3, 4, 6, 6, 4, 5, 8, 3, 8, 5, 6, 10, 12, 12, 10, 6, 7, 6, 15, 4, 15, 6, 7, 8, 14, 6, 20, 20, 6, 14, 8, 9, 8, 21, 24, 5, 24, 21, 8, 9, 10, 18, 24, 28, 30, 30, 28, 24, 18, 10, 11, 10, 27, 8, 35, 6, 35, 8, 27, 10, 11, 12, 22, 30, 36, 40, 42, 42, 40, 36, 30, 22, 12, 13, 24 (list; table; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Analogous to LCM, with OR replacing MAX.`
	EXAMPLE	`a(864,1944)=a(2^53^3,2^33^5)=2^(5 OR 3)* 3^(3 OR 5)=2^7*3^7=279936.`
	CROSSREFS	`A003986, A003990, A059895, A059897.` `Sequence in context: A045772 A091256 A003990 this_sequence A079542 A022467 A037126` `Adjacent sequences: A059893 A059894 A059895 this_sequence A059897 A059898 A059899`
	KEYWORD	`base,easy,nonn,tabl`
	AUTHOR	`Marc LeBrun (mlb(AT)well.com), Feb 06 2001`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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