A215565 Strong pseudoprimes to base 3 of the form 6*k-1.

3281, 432821, 973241, 1551941, 1683683, 1898999, 2202257, 2545181, 2586083, 2795519, 3020093, 3028133, 4042403, 4099439, 4561481, 4923521, 5087171, 5173601, 5193161, 5774801, 6710177, 8243111, 9846401

Offset: 1

Author

M. F. Hasler, Aug 16 2012

Keywords

• nonn

Comments

Motivated by the fact that most strong pseudoprimes to base 3 (A020229) are of the form 6*k+1.

Links

• Amiram Eldar, Table of n, a(n) for n = 1..2621 (calculated from the b-file at A020229)

Crossrefs

Cf. A020229.

Programs

PARI

forstep(n=5,1e7,6,is_A020229(n) & print1(n","))