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A143482 a(1)=1. a(n) = the smallest positive multiple of n such that phi(a(n)) >= phi(a(n-1)), where phi(m) is the number of positive integers <= m and coprime to m. 1
1, 2, 3, 4, 5, 12, 7, 16, 27, 50, 33, 72, 39, 56, 45, 64, 51, 108, 57, 100, 105, 154, 115, 288, 125, 286, 243, 392, 203, 690, 217, 416, 363, 544, 455, 864, 407, 836, 663, 1000, 451, 1512, 559, 1276, 1125, 1334, 799, 2256, 931, 2000, 1377, 1924, 1007, 2862, 1375 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Cf. A143483, A143480.

Sequence in context: A135323 A052106 A064446 * A193679 A066574 A039007

Adjacent sequences:  A143479 A143480 A143481 * A143483 A143484 A143485

KEYWORD

nonn

AUTHOR

Leroy Quet Aug 19 2008

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Nov 09 2008

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Last modified February 17 14:50 EST 2012. Contains 206050 sequences.