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A057756 Least nonnegative square root of -1 mod n for n in A008784. +0
2
0, 1, 2, 3, 5, 4, 7, 5, 12, 13, 6, 9, 7, 23, 17, 11, 8, 27, 31, 9, 13, 34, 22, 10, 23, 33, 15, 11, 57, 47, 37, 12, 27, 44, 28, 70, 13, 80, 55, 19, 43, 81, 75, 14, 91, 32, 33, 21, 15, 107, 89, 64, 57, 16, 23, 82, 37, 60, 53, 38, 17, 138, 105 (list; graph; listen)
OFFSET

1,3

LINKS

T. D. Noe, Table of n, a(n) for n=1..1000

CROSSREFS

Adjacent sequences: A057753 A057754 A057755 this_sequence A057757 A057758 A057759

Sequence in context: A143514 A085180 A114750 this_sequence A082746 A098313 A098311

KEYWORD

nonn,easy,nice

AUTHOR

njas, Nov 01 2000

EXTENSIONS

Corrected by T. D. Noe, Apr 19 2007 [The errors were caused by the faulty Maple command "mroot"]

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.


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