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A028744 Nonsquares mod 31. 0
3, 6, 11, 12, 13, 15, 17, 21, 22, 23, 24, 26, 27, 29, 30 (list; graph; refs; listen; history; internal format)
OFFSET

0,1

CROSSREFS

Sequence in context: A144562 A102889 A183543 * A028775 A022155 A066157

Adjacent sequences:  A028741 A028742 A028743 * A028745 A028746 A028747

KEYWORD

nonn,fini,full

AUTHOR

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

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Last modified February 15 17:46 EST 2012. Contains 205835 sequences.