id:A078578 - OEIS Search Results

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Euler's totient of the average of n-th twin prime pair.

+0
1

2, 2, 4, 6, 8, 12, 16, 24, 32, 36, 44, 40, 48, 64, 60, 72, 64, 72, 92, 96, 112, 96, 144, 120, 168, 144, 160, 204, 212, 160, 216, 272, 264, 240, 252, 256, 336, 240, 348, 288, 384, 320, 420, 336, 360, 320, 384, 440, 432, 480, 528, 432, 552, 564, 480, 592, 576, 624 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=A000010(A014574(n)).`
	CROSSREFS	`Sequence in context: A080015 A080054 A108494 this_sequence A018129 A091915 A123862` `Adjacent sequences: A078575 A078576 A078577 this_sequence A078579 A078580 A078581`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 29 2002`

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Last modified September 8 13:03 EDT 2008. Contains 143486 sequences.

AT&T Labs Research