id:A137458 - OEIS Search Results

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Prime(core(n)).

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2, 3, 5, 2, 11, 13, 17, 3, 2, 29, 31, 5, 41, 43, 47, 2, 59, 3, 67, 11, 73, 79, 83, 13, 2, 101, 5, 17, 109, 113, 127, 3, 137, 139, 149, 2, 157, 163, 167, 29, 179, 181, 191, 31, 11, 199, 211, 5, 2, 3, 233, 41, 241, 13, 257, 43, 269, 271, 277, 47 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`Prime(Square-free part of n).`
	FORMULA	`a(n) = A000040(A007913(n)).`
	CROSSREFS	`Cf. A000040, A007913.` `Sequence in context: A137826 A021429 A124055 this_sequence A079369 A102867 A139044` `Adjacent sequences: A137455 A137456 A137457 this_sequence A137459 A137460 A137461`
	KEYWORD	`easy,nonn`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com), Apr 19 2008`

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Last modified December 3 01:16 EST 2008. Contains 151161 sequences.

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