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A105898 Primes for which -26 is a primitive root. 1
11, 23, 29, 41, 53, 59, 61, 67, 73, 79, 83, 89, 97, 101, 103, 127, 137, 157, 163, 173, 191, 193, 199, 227, 263, 269, 281, 307, 311, 331, 353, 367, 373, 379, 389, 409, 439, 449, 457, 503, 587, 593, 599, 617, 619, 643, 647, 653, 683, 691, 701, 719, 727, 761, 787, 797, 811 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

pr=-26; Select[Prime[Range[200]], MultiplicativeOrder[pr, # ] == #-1 &]

CROSSREFS

Sequence in context: A086244 A091939 A072185 * A247228 A243461 A259560

Adjacent sequences:  A105895 A105896 A105897 * A105899 A105900 A105901

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Apr 24 2005

STATUS

approved

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Last modified September 26 05:53 EDT 2022. Contains 356986 sequences. (Running on oeis4.)