id:A055743 - OEIS Search Results

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EulerPhi(n) has fewer prime divisors than n.

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2, 6, 10, 12, 15, 20, 24, 30, 34, 40, 42, 48, 51, 60, 66, 68, 70, 78, 80, 84, 85, 90, 96, 102, 105, 110, 114, 120, 126, 130, 132, 136, 138, 140, 150, 156, 160, 165, 168, 170, 174, 180, 182, 190, 192, 195, 204, 210, 220, 222, 228, 230, 234, 238, 240, 246, 252 (list; graph; listen)

	OFFSET	`1,1`
	EXAMPLE	`n=996 has 3 prime divisors:2,3 and 83, while Phi(996)=328=2.2.2.41 has only 2 factors.`
	CROSSREFS	`A001221, A000010.` `Sequence in context: A057921 A095300 A097381 this_sequence A071638 A028348 A140776` `Adjacent sequences: A055740 A055741 A055742 this_sequence A055744 A055745 A055746`
	KEYWORD	`nonn`
	AUTHOR	`Labos E. (labos(AT)ana.sote.hu), Jul 11 2000`

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Last modified December 15 00:47 EST 2009. Contains 170825 sequences.

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