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A069083 Numbers n such that sigma(n)/tau(n) has denominator 4. +0
1
8, 40, 72, 104, 136, 200, 232, 296, 328, 360, 384, 392, 424, 488, 520, 584, 648, 680, 712, 776, 808, 872, 904, 936, 968, 1000, 1096, 1160, 1192, 1224, 1256, 1352, 1384, 1408, 1448, 1480, 1544, 1576, 1640, 1768, 1832, 1864, 1920, 1928, 1960, 2048, 2056 (list; graph; listen)
OFFSET

1,1

FORMULA

n such that A057021(n)=4

CROSSREFS

Sequence in context: A045909 A154425 A120931 this_sequence A014642 A143943 A135796

Adjacent sequences: A069080 A069081 A069082 this_sequence A069084 A069085 A069086

KEYWORD

easy,nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Apr 05 2002

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Last modified December 10 12:37 EST 2009. Contains 170569 sequences.


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