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A066791 Eulerphi(n^2+n+1). +0
1
2, 6, 12, 12, 30, 42, 36, 72, 72, 72, 108, 156, 120, 210, 240, 144, 306, 294, 252, 420, 462, 312, 468, 600, 360, 648, 756, 540, 792, 756, 660, 900, 1122, 792, 1152, 1260, 792, 1482, 1332, 1092, 1722, 1656, 1260, 1692, 1944, 1224, 2160, 2160, 1512, 2550 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Sequence in context: A092427 A058198 A096075 this_sequence A062723 A152667 A145892

Adjacent sequences: A066788 A066789 A066790 this_sequence A066792 A066793 A066794

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Jan 18 2002

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Last modified December 20 00:58 EST 2009. Contains 171054 sequences.


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