id:A066605 - OEIS Search Results

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Numbers n such that phi(n) / Carmichael lambda(n) = increases.

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1, 8, 24, 63, 80, 240, 455, 819, 1365, 2387, 2720, 3276, 3591, 4095, 7280, 9139, 13104, 18981, 21483, 21840, 24605, 32760, 44289, 45695, 63973, 122915, 132867, 172081, 191919, 246753, 319865, 520025, 575757, 860405, 959595, 1233765 (list; graph; listen)

	OFFSET	`1,2`
	MATHEMATICA	`a = 0; c = {}; Do[ b = EulerPhi[n]/CarmichaelLambda[n]; If[ b > a, a = b; c = Append[c, n]], {n, 1, 10^7}]; c`
	CROSSREFS	`Sequence in context: A129959 A049724 A060602 this_sequence A066497 A111071 A090336` `Adjacent sequences: A066602 A066603 A066604 this_sequence A066606 A066607 A066608`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 13 2002`

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

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