id:A128886 - OEIS Search Results

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Prime(lucky(n)) - lucky(prime(n)).

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-1, -2, 4, 2, 4, -2, 4, 22, 28, -4, -32, -14, 8, -4, 24, 12, 20, 0, 20, -14, -14, 0, -6, -12, -8, 10, 64, 72, 58, -40, -20, -8, 40, -12, 18 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Commutator [prime,lucky] = [A032605, A032606].`
	FORMULA	`a(n) = A000040(A000959(n)) - A000959(A000040(n)).`
	EXAMPLE	`a(1) = Prime(Lucky(1)) - Lucky(Prime(1)) = Prime(1) - Lucky(2) = 2 - 3 = -1.` `a(2) = Prime(Lucky(2)) - Lucky(Prime(2)) = Prime(3) - Lucky(3) = 5 - 7 = -2.` `a(3) = Prime(Lucky(3)) - Lucky(Prime(3)) = Prime(7) - Lucky(5) = 17 - 13 = 4.`
	CROSSREFS	`Cf. A000040, A000959, A032605 Prime numbers indexed by lucky numbers, A032606 Lucky numbers indexed by prime numbers.` `Sequence in context: A111737 A056672 A037201 this_sequence A031883 A086152 A074075` `Adjacent sequences: A128883 A128884 A128885 this_sequence A128887 A128888 A128889`
	KEYWORD	`easy,sign`
	AUTHOR	`Jonathan Vos Post (jvospost2(AT)yahoo.com), May 08 2007`

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Last modified July 23 17:35 EDT 2008. Contains 142285 sequences.

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