id:A036041 - OEIS Search Results

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Number of prime divisors of prime signature A025487(n); equals number of parts of associated partition.

+0
8

0, 1, 2, 2, 3, 3, 4, 4, 3, 5, 4, 5, 4, 6, 5, 6, 5, 7, 6, 5, 7, 4, 6, 6, 8, 7, 6, 8, 5, 7, 7, 9, 8, 7, 9, 6, 8, 6, 8, 10, 7, 9, 6, 8, 8, 10, 7, 9, 7, 9, 11, 8, 10, 5, 7, 9, 9, 11, 8, 10, 8, 10, 12, 9, 11, 6, 8, 10, 8, 10, 12, 7, 9, 9, 11, 9, 8, 11, 10, 13, 10, 12, 7, 9, 11, 9, 11, 13, 8, 10, 10, 12 (list; graph; listen)

	OFFSET	`1,3`
	FORMULA	`A036041(n) = A001222(A025487(n)).`
	EXAMPLE	`a(3) = 2 since A025487(3) = 4 = 22; a(5) = 3 since A025487(5) = 8 = 22*2 = 8; ...`
	CROSSREFS	`Cf. A025487, A000041, A035796, A036042.` `Sequence in context: A106747 A083447 A059998 this_sequence A085654 A074719 A079730` `Adjacent sequences: A036038 A036039 A036040 this_sequence A036042 A036043 A036044`
	KEYWORD	`easy,nonn`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com)`
	EXTENSIONS	`More terms from Henry Bottomley (se16(AT)btinternet.com), Apr 30 2001` `Edited to accommodate change in A025487's offset. - Matthew Vandermast (ghodges14(AT)comcast.net), Nov 08 2008`

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Last modified November 23 17:09 EST 2009. Contains 167438 sequences.

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