id:A079092 - OEIS Search Results

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Euler's totient of (prime(n)+1)*(prime(n+1)+1)/4.

+0
2

2, 2, 4, 8, 12, 36, 24, 32, 48, 64, 144, 216, 120, 160, 216, 216, 240, 480, 384, 432, 576, 384, 432, 1008, 1344, 768, 864, 720, 1440, 1152, 1280, 1320, 1056, 1200, 1440, 2808, 3120, 1920, 2016, 2016, 1728, 2304, 3072, 5760, 2400, 4160, 4992, 3456, 3168, 6336 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n)=A000010(A079079(n)).`
	CROSSREFS	`Sequence in context: A102456 A032067 A123024 this_sequence A039941 A104700 A036761` `Adjacent sequences: A079089 A079090 A079091 this_sequence A079093 A079094 A079095`
	KEYWORD	`nonn`
	AUTHOR	`Reinhard Zumkeller (reinhard.zumkeller(AT)lhsystems.com), Dec 22 2002`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.

AT&T Labs Research