A070681 - OEIS

A070681

Smallest m in range 1..phi(2n+1) such that 6^m == 1 mod 2n+1, or 0 if no such number exists.

0, 0, 1, 2, 0, 10, 12, 0, 16, 9, 0, 11, 5, 0, 14, 6, 0, 2, 4, 0, 40, 3, 0, 23, 14, 0, 26, 10, 0, 58, 60, 0, 12, 33, 0, 35, 36, 0, 10, 78, 0, 82, 16, 0, 88, 12, 0, 9, 12, 0, 10, 102, 0, 106, 108, 0, 112, 11, 0, 16, 110, 0, 25, 126, 0, 130, 18, 0, 136, 23, 0, 60

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OFFSET

0,4

LINKS

Table of n, a(n) for n=0..71.

CROSSREFS

Cf. A070667-A070675, A002326, A070676, A053447, A070677, A070678, A053451, A070679, A070682, A070680, A070683.

Sequence in context: A334615 A303350 A351879 * A228539 A061189 A019220

Adjacent sequences: A070678 A070679 A070680 * A070682 A070683 A070684

KEYWORD

nonn

AUTHOR

N. J. A. Sloane and Amarnath Murthy, May 08 2002

STATUS

approved