A110482 Primes p such that 5*p - 6 is square.

2, 3, 11, 59, 107, 443, 563, 1187, 3539, 4091, 4931, 5987, 7451, 8243, 9419, 10859, 12203, 23531, 24083, 24923, 27827, 29339, 36467, 39251, 41771, 48611, 55547, 66587, 67979, 99971, 117659, 133499, 135467, 143483, 146891, 159491, 164531

Offset

1,1

Links

G. C. Greubel, Table of n, a(n) for n = 1..1000

Formula

a(n) = (A110481(n) + 6)/5.

Mathematica

Select[Prime[Range[20000]], IntegerQ[Sqrt[5# - 6]] &] (* Harvey P. Dale, Feb 03 2011 *)

Crossrefs

Cf. A110480, A110481.

Sequence in context: A353726 A353727 A041441 * A242366 A105217 A066046

Adjacent sequences: A110479 A110480 A110481 * A110483 A110484 A110485

Keyword

easy,nonn

Author

Giovanni Teofilatto, Sep 09 2005

Extensions

Corrected and extended by Ray Chandler, Sep 12 2005

Status

approved