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A105897 Primes for which -25 is a primitive root. 0
2, 3, 7, 11, 19, 23, 43, 47, 59, 79, 83, 103, 107, 131, 139, 151, 167, 179, 223, 227, 239, 263, 283, 307, 311, 331, 347, 359, 383, 419, 431, 439, 443, 463, 467, 479, 491, 499, 503, 523, 547, 563, 571, 587, 599, 607, 619, 647, 659, 683, 719, 727, 743, 751, 787, 811, 839 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

MATHEMATICA

pr=-25; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

CROSSREFS

Sequence in context: A092940 A045326 A195602 * A129386 A064270 A062576

Adjacent sequences:  A105894 A105895 A105896 * A105898 A105899 A105900

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com), Apr 24 2005

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Last modified February 17 23:58 EST 2012. Contains 206085 sequences.