A167800 - OEIS

The OEIS is supported by the many generous donors to the OEIS Foundation.

A167800

Numbers with primitive root -4.

19

3, 7, 9, 11, 19, 23, 27, 47, 49, 59, 67, 71, 79, 81, 83, 103, 107, 121, 131, 139, 163, 167, 179, 191, 199, 211, 227, 239, 243, 263, 271, 311, 343, 347, 359, 361, 367, 379, 383, 419, 443, 463, 467, 479, 487, 491, 503, 523, 529, 547, 563, 587, 599, 607, 619, 647

(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=-4; Select[Range[2, 2000], MultiplicativeOrder[pr, # ] == EulerPhi[ # ] &]

CROSSREFS

Cf. A105876 (primes with primitive root -4)

Sequence in context: A004614 A112398 A197504 * A270834 A192628 A336655

Adjacent sequences: A167797 A167798 A167799 * A167801 A167802 A167803

KEYWORD

nonn

AUTHOR

T. D. Noe, Nov 12 2009

STATUS

approved