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A066605 Numbers n such that phi(n) / Carmichael lambda(n) = increases. 0
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; refs; listen; history; internal format)
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: A177719 A049724 A060602 * A066497 A205963 A111071

Adjacent sequences:  A066602 A066603 A066604 * A066606 A066607 A066608

KEYWORD

nonn

AUTHOR

Robert G. Wilson v (rgwv(AT)rgwv.com), Jan 13 2002

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Last modified February 17 17:51 EST 2012. Contains 206061 sequences.