A048281 - OEIS

A048281

Beginning of first run of consecutive quadratic residues mod prime(n) of longest length.

%I #17 Jul 21 2014 04:29:49

%S 0,0,4,0,3,12,15,4,0,4,7,9,39,13,0,9,25,12,21,0,69,18,25,87,93,19,13,

%T 9,25,49,68,58,14,34,4,16,9,53,61,33,12,11,0,189,59,61,78,28,73,42,28,

%U 0,235,63,57,31,51,77,83,31,89,53,99,0,309,36,120,333,323,121,164,44,207,36,19,200,62,33

%N Beginning of first run of consecutive quadratic residues mod prime(n) of longest length.

%e The numbers 0, 1, 4, 5, 6, 9, 10, 11, 14, . . . are the squares mod 5, and 5 = prime(3), so a(3) = 4. - _Jonathan Sondow_, Jul 20 2014

%Y Cf. A048280.

%K nonn

%O 1,3

%A _David W. Wilson_

%E Offset corrected to 1, definition clarified, _Jonathan Sondow_ Jul 20 2014