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A025046 a(n) = the least odd prime p such that there are exactly n consecutive quadratic remainders modulo p. 1
3, 5, 19, 17, 67, 71, 131, 73, 277, 311, 827, 241, 1607, 2543, 3691, 1559, 6803, 5711, 14969, 1009, 43103, 10559, 52057, 2689, 90313, 162263, 127403, 18191, 209327, 31391, 607153, 8089, 1305511, 298483, 1694353, 33049, 3205777, 1523707 (list; graph; refs; listen; history; text; internal format)
OFFSET

2,1

COMMENTS

The values -1,0,+1 are considered consecutive.

LINKS

Table of n, a(n) for n=2..39.

EXAMPLE

a(5)=17 because -2,-1,0,+1,+2 are quadratic remainders, squares of 7,4,0,1,11.

CROSSREFS

Cf. A097159.

Sequence in context: A272019 A270723 A242961 * A305700 A299073 A180931

Adjacent sequences:  A025043 A025044 A025045 * A025047 A025048 A025049

KEYWORD

nonn

AUTHOR

David W. Wilson

EXTENSIONS

Edited by Don Reble, May 31 2007

STATUS

approved

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Last modified April 22 08:25 EDT 2019. Contains 322329 sequences. (Running on oeis4.)