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A025046
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a(n) = the least odd prime p such that there are exactly n consecutive quadratic remainders modulo p.
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1
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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; internal format)
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OFFSET
| 2,1
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COMMENTS
| The values -1,0,+1 are considered consecutive.
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EXAMPLE
| a(5)=17 because -2,-1,0,+1,+2 are quadratic remainders, squares of 7,4,0,1,11.
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CROSSREFS
| Cf. A097159.
Sequence in context: A145774 A128362 A053484 * A180931 A118484 A095826
Adjacent sequences: A025043 A025044 A025045 * A025047 A025048 A025049
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KEYWORD
| nonn
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AUTHOR
| David W. Wilson (davidwwilson(AT)comcast.net)
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EXTENSIONS
| Edited by Don Reble (djr(AT)nk.ca), May 31 2007
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