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A096088
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Triangle read by rows: row n lists quartic remainders modulo n.
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1
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0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 3, 4, 0, 1, 2, 4, 0, 1, 0, 1, 4, 7, 0, 1, 5, 6, 0, 1, 3, 4, 5, 9, 0, 1, 4, 9, 0, 1, 3, 9, 0, 1, 2, 4, 7, 8, 9, 11, 0, 1, 6, 10, 0, 1, 0, 1, 4, 13, 16, 0, 1, 4, 7, 9, 10, 13, 16, 0, 1, 4, 5, 6, 7, 9, 11, 16, 17, 0, 1, 5, 16, 0, 1, 4, 7, 9, 15, 16, 18, 0, 1, 3, 4, 5, 9, 11, 12
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OFFSET
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2,11
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LINKS
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PROG
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(PARI) maybefourth(n) = { for(x=2, n, b=floor(x-1); a=vector(b+1); for(y=1, b, z=y^4%x; if(z<>0, a[y]=z; ) ); s=vecsort(a); c=1; print1(s[1]", "); for(j=2, b+1, if(s[j]<>s[j-1], c++; print1(s[j]", ") ) );
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CROSSREFS
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KEYWORD
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nonn,tabf
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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