id:A139412 - OEIS Search Results

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Numbers n such that phi(n)=10^phi(d_1)+10^phi(d_2)+...+10^phi(d_k) where d_1d_2...d_k is the decimal expansion of n.

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231, 34386, 3775375 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`phi(3775375)=10^phi(3)+10^phi(7)+10^phi(7)+10^phi(5)+10^phi(3)+` `10^phi(7)+10^phi(5).`
	CROSSREFS	`Cf. A139411, A139413.` `Sequence in context: A117223 A029569 A066370 this_sequence A027551 A068750 A050423` `Adjacent sequences: A139409 A139410 A139411 this_sequence A139413 A139414 A139415`
	KEYWORD	`base,nonn,bref`
	AUTHOR	`Farideh Firoozbakht (mymontain(AT)yahoo.com), May 11 2008`

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Last modified August 28 22:44 EDT 2008. Contains 143251 sequences.