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A103131 Minimal residue (in absolute value) of A001783(n) (mod n). +0
2
0, -1, -1, -1, -1, -1, -1, 1, -1, -1, -1, 1, -1, -1, 1, 1, -1, -1, -1, 1, 1, -1, -1, 1, -1, -1, -1, 1, -1, 1, -1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1, -1, 1, 1, -1, -1, 1, -1, -1, 1, 1, -1, -1, 1, 1, 1, -1, -1, 1, -1, -1, 1, 1, 1, 1, -1, 1, 1, 1, -1, 1, -1, -1, 1, 1, 1, 1, -1, 1, -1, -1, -1, 1, 1, -1, 1, 1, -1, 1, 1, 1, 1, -1, 1, 1, -1, -1, 1, 1, -1, 1 (list; graph; listen)
OFFSET

1,1

LINKS

Eric Weisstein's World of Mathematics, Wilson's theorem

FORMULA

For n>1, a(n)=-1 if A060594(n)=2 or equivalently if n is in A033948; otherwise a(n)=1. - Max Alekseyev, May 26 2009

CROSSREFS

Cf. A001783.

Sequence in context: A165476 A165596 A070238 this_sequence A057427 A057428 A062157

Adjacent sequences: A103128 A103129 A103130 this_sequence A103132 A103133 A103134

KEYWORD

sign

AUTHOR

Eric Weisstein (eric(AT)weisstein.com), Jan 23, 2005

EXTENSIONS

Definition rewritten by Max Alekseyev, May 26 2009

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.


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