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A096110 Triangle read by rows: row n lists quartic residues modulo n. 1
1, 1, 1, 1, 1, 1, 2, 4, 1, 1, 4, 7, 1, 1, 3, 4, 5, 9, 1, 1, 3, 9, 1, 9, 11, 1, 1, 1, 4, 13, 16, 1, 7, 13, 1, 4, 5, 6, 7, 9, 11, 16, 17, 1, 1, 4, 16, 1, 3, 5, 9, 15, 1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 1, 1, 6, 11, 16, 21, 1, 3, 9, 1, 4, 7, 10, 13, 16, 19, 22, 25, 1, 9, 25, 1, 7, 16, 20, 23, 24, 25 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,7

LINKS

Table of n, a(n) for n=2..92.

PROG

(PARI) maybefourthgcd1(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; for(j=2, b+1, if(s[j]<>s[j-1], c++; if(gcd(s[j], x)==1, print1(s[j]", ")) ) ); ) }

CROSSREFS

Cf. A096088.

Sequence in context: A292495 A065626 A201758 * A207260 A187913 A329458

Adjacent sequences:  A096107 A096108 A096109 * A096111 A096112 A096113

KEYWORD

nonn,tabf

AUTHOR

Cino Hilliard, Jul 22 2004

EXTENSIONS

Edited by Don Reble, May 07 2006

STATUS

approved

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Last modified January 24 21:49 EST 2022. Contains 350565 sequences. (Running on oeis4.)