id:A058817 - OEIS Search Results

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Even cototient numbers.

+0
1

2, 4, 6, 8, 12, 14, 16, 18, 20, 22, 24, 28, 30, 32, 36, 38, 40, 42, 44, 46, 48, 54, 56, 60, 62, 64, 66, 68, 70, 72, 74, 76, 78, 80, 82, 84, 88, 90, 92, 94, 96, 98, 102, 104, 106, 108, 110, 112, 114, 118, 120, 124, 126, 128, 132, 136, 138, 140, 142, 144, 148, 150, 152 (list; graph; listen)

	OFFSET	`0,1`
	FORMULA	`Even terms of A051953`
	EXAMPLE	`88 is here because it is the cototient of 120: 88=120-Phi(120)=120-32=88.`
	CROSSREFS	`A000010, A051953, A005277, A005278, A002202, A058763.` `Sequence in context: A092990 A103829 A164530 this_sequence A088879 A139363 A091065` `Adjacent sequences: A058814 A058815 A058816 this_sequence A058818 A058819 A058820`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jan 04 2001`

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

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