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A025020 Least non-residue mod n is 2. +0
1
3, 4, 5, 6, 8, 9, 10, 11, 12, 13, 15, 16, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 32, 33, 35, 36, 37, 38, 39, 40, 42, 43, 44, 45, 48, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 63, 64, 65, 66, 67, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 83, 84, 85, 86, 87, 88, 90, 91, 92 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Quadratic Nonresidue

CROSSREFS

Sequence in context: A089399 A003619 A039234 this_sequence A028974 A001965 A039178

Adjacent sequences: A025017 A025018 A025019 this_sequence A025021 A025022 A025023

KEYWORD

nonn

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified December 10 00:48 EST 2009. Contains 170565 sequences.


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