id:A087179 - OEIS Search Results

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a(n) = ((...(x1^x2)^x3)^x4)^...) where x1,x2,... are the exponents in the prime factorization of n.

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1, 1, 2, 1, 1, 1, 3, 2, 1, 1, 2, 1, 1, 1, 4, 1, 1, 1, 2, 1, 1, 1, 3, 2, 1, 3, 2, 1, 1, 1, 5, 1, 1, 1, 4, 1, 1, 1, 3, 1, 1, 1, 2, 2, 1, 1, 4, 2, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 2, 6, 1, 1, 1, 2, 1, 1, 1, 9, 1, 1, 1, 2, 1, 1, 1, 4, 4, 1, 1, 2, 1, 1, 1, 3, 1, 1, 1, 2, 1, 1, 1, 5, 1, 1, 2, 4, 1, 1, 1, 3, 1, 1 (list; graph; listen)

	OFFSET	`2,3`
	LINKS	`MathMedics, The Prime Factorization of the First 1000 Integers`
	EXAMPLE	`a(108)=a((2^2)(3^3))=2^3=8` `a(75)=a((3^1)(5^2))=1^2=1`
	CROSSREFS	`Sequence in context: A072909 A095691 A067029 this_sequence A088388 A070013 A070014` `Adjacent sequences: A087176 A087177 A087178 this_sequence A087180 A087181 A087182`
	KEYWORD	`nonn`
	AUTHOR	`Sam Alexander (amnalexander(AT)yahoo.com), Oct 19 2003`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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