id:A116044 - OEIS Search Results

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n+phi(n)+phi(phi(n)) is a palindrome.

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1, 2, 3, 4, 5, 6, 14, 23, 28, 45, 51, 55, 56, 63, 75, 79, 85, 95, 136, 138, 146, 161, 168, 169, 186, 189, 195, 201, 227, 231, 241, 247, 272, 274, 275, 276, 292, 297, 306, 322, 323, 336, 389, 398, 418, 423, 430, 444, 473, 504, 514, 543, 552, 555, 567, 574, 582 (list; graph; listen)

	OFFSET	`1,2`
	EXAMPLE	`227+phi(227)+phi(phi(227)) = 565.`
	CROSSREFS	`Cf. A115905.` `Sequence in context: A065638 A039016 A084830 this_sequence A116027 A085157 A065637` `Adjacent sequences: A116041 A116042 A116043 this_sequence A116045 A116046 A116047`
	KEYWORD	`nonn,base`
	AUTHOR	`Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 13 2006`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.

AT&T Labs Research