id:A099103 - OEIS Search Results

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Natural numbers n with more digits than Euler totient phi(n)

+0
2

10, 12, 14, 15, 16, 18, 20, 24, 30, 100, 102, 104, 105, 106, 108, 110, 111, 112, 114, 115, 116, 117, 118, 119, 120, 122, 123, 124, 126, 128, 129, 130, 132, 134, 135, 136, 138, 140, 141, 142, 144, 146, 147, 148, 150, 152, 153, 154, 156, 158, 160, 162, 164, 165 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`This sequence is an indirect comment on the referenced comment of R. K. Guy concerning the occurrence of 301-digit numbers.`
	LINKS	`Walter Nissen, Home Page (listed in lieu of email address)` `R. K. Guy, Re: Odd Perfect Numbers.`
	EXAMPLE	`10 is in the sequence because 2, the number of digits in 10, is more than 1, the number of digits in 4 = phi ( 10 ).`
	CROSSREFS	`Cf. A000010, A099102.` `Sequence in context: A161598 A122426 A141322 this_sequence A094879 A116023 A062408` `Adjacent sequences: A099100 A099101 A099102 this_sequence A099104 A099105 A099106`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Walter Nissen Sep 25 2004`

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Last modified December 11 12:57 EST 2009. Contains 170656 sequences.

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