A070681 - OEIS

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A070681

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

9

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

(list; graph; refs; listen; history; text; internal format)

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