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A027413 Number of primitive solutions of system "for all 2<=i<=n, k^i > 1 mod n". 0
0, 0, 1, 0, 2, 3, 2, 0, 0, 5, 4, 6, 4, 7, 6, 0, 8, 9, 6, 10, 8, 11, 10, 12, 0, 13, 0, 14, 12, 21, 8, 0, 12, 17, 10, 18, 12, 19, 14, 20, 16, 29, 12, 22, 18, 23, 22, 24, 0, 25, 18, 26, 24, 27, 14, 28, 20, 29, 28, 42, 16, 31, 24, 0, 16, 45, 20, 34, 24, 45, 24, 36, 24, 37, 30, 38, 16 (list; graph; refs; listen; history; internal format)
OFFSET

1,5

CROSSREFS

Sequence in context: A009108 A016537 A106385 * A019509 A071484 A100219

Adjacent sequences:  A027410 A027411 A027412 * A027414 A027415 A027416

KEYWORD

nonn

AUTHOR

Sandor Adrian (sandor(AT)SKYLAB.MATH.UNIBUC.RO), Olivier Gerard (olivier.gerard(AT)gmail.com)

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Last modified February 16 16:00 EST 2012. Contains 205938 sequences.