[seqfan] A047210: First term and offset(?)
zak seidov
zakseidov at yahoo.com
Thu Dec 18 16:32:40 CET 2008
Dear seqfans,
i'm confused with Eric's description of A047210 and
entries/offset in A047210...
One way out to edit A047210 in accord with Eric is:
1. to omit first zero from %S, and
2. to change offset to 2
thx, zak
Eric writes:
The largest quadratic residues for p=2, 3, ... are 1, 1, 1, 4, 4, 4, 4, 7, 9, 9, 9, 12, 11, ... (Sloane's A047210).
%I A047210
%S A047210 0,1,1,1,4,4,4,4,7,9,9,9,12,11,10,9,16,16,17,16,18,20,18,16,24,25,25,
%T A047210 25,28,25,28,25,31,33,30,28,36,36,36,36,40,39,41,37,40,41,42,36,46,49,
%U A047210 49,49,52,52,49,49,55,57,57,49,60,59,58,57,64,64,65,64,64,65,64,64,72
%N A047210 Largest square modulo n.
%H A047210 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
QuadraticResidue.html">Quadratic Residue</a>
%Y A047210 Adjacent sequences: A047207 A047208 A047209 this_sequence A047211 A047212
A047213
%Y A047210 Sequence in context: A111655 A113646 A106325 this_sequence A120327 A056629
A081676
%K A047210 easy,nonn
%O A047210 0,5
%A A047210 Henry Bottomley (se16(AT)btinternet.com), Jun 08 2000
Eric writes:
http://mathworld.wolfram.com/QuadraticResidue.html
The largest quadratic residues for p=2, 3, ... are 1, 1, 1, 4, 4, 4, 4, 7, 9, 9, 9, 12, 11, ... (Sloane's A047210).
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