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A003571 Order of 3 mod 3n+1. 0
2, 6, 4, 3, 4, 18, 5, 20, 6, 30, 16, 18, 4, 42, 11, 42, 6, 20, 28, 10, 16, 22, 12, 12, 18, 78, 8, 16, 10, 6, 23, 48, 20, 34, 52, 27, 12, 44, 29, 5, 30, 126, 12, 18, 16, 138, 35, 28, 18, 50, 30, 78, 8, 162, 41, 39, 42, 60 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MAPLE

with(numtheory): f := n->order(3, 3*n+1);

CROSSREFS

Sequence in context: A074382 A061350 A046276 * A068457 A102510 A100115

Adjacent sequences:  A003568 A003569 A003570 * A003572 A003573 A003574

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

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Last modified February 16 04:47 EST 2012. Contains 205860 sequences.