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Search: id:A088201
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| 5, 5, 7, 5, 5, 7, 5, 11, 5, 11, 7, 7, 7, 5, 7, 5, 5, 13, 5, 7, 11, 7, 7, 11, 13, 5, 7, 11, 7, 5, 11, 7, 7, 5, 7, 7, 7, 13, 7, 7, 11, 7, 5, 5, 11, 7, 7, 7, 13, 13, 17, 5, 11, 11, 17, 11, 7, 7, 13, 5, 7, 7, 13, 7, 5, 7, 7, 5, 5, 13, 5, 7, 11, 13, 7, 7, 17, 11, 5, 7, 11, 11, 7, 11, 7, 7, 5, 7
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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The terms are conjectured to be odd primes > 3.
It is also conjectured that the i-th member of A088200 is -2 if and only if a(i) is 5.
The terms are conjectured to be odd primes > 3 (the primality is provable)
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LINKS
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Ferenc Adorjan, The sequence of largest quadratic residues modulo the primes.
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PROGRAM
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(PARI) qnrp_pm_nm(n)= {/* The distance of p from LQnR where the sequence of the largest QnR modulo the primes is non monotonic */ local(k=1, m, p, fl, jj, j, v=[]); for(i=2, n, m=0; p=prime(i); jj=0; fl=2^p-1; j=2; while((j<=(p-1)/2), jj=(j^2)%p; fl-=2^jj; j++); j=p-1; while(m==0, if(bitand(2^j, fl), m=j); j--); if(m-k<=0, v=concat(v, p-m)); k=m); print(v)}
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CROSSREFS
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Cf. A088195, A088196, A088197, A088198, A088199, A088200.
Sequence in context: A003103 A122273 A052247 this_sequence A139261 A021646 A133888
Adjacent sequences: A088198 A088199 A088200 this_sequence A088202 A088203 A088204
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KEYWORD
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nonn
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AUTHOR
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Ferenc Adorjan (fadorjan(AT)freemail.hu), Sep 23 2003
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