A365514 Lucas-V pseudoprimes: composites c such that V_{c+1} == 2Q (mod c), where V_k is a Lucas sequence with parameters P and Q.

913, 150267335403, 430558874533, 14760229232131, 936916995253453

Offset

1,1

Comments

The values are given in Table 2 in Baillie et al., 2021.

There are only five terms less than 10^15.

Links

Table of n, a(n) for n=1..5.

R. Baillie, A. Fiori, and S. S. Wagstaff, Jr., Strengthening the Baillie-PSW primality test, Mathematics of Computation 90 (2021), 1931-1955, arXiv:2006.14425.

Crossrefs

Cf. A217120.

Sequence in context: A263122 A286214 A189182 * A252427 A074887 A234993

Adjacent sequences: A365511 A365512 A365513 * A365515 A365516 A365517

Keyword

nonn,hard,more

Author

Felix Fröhlich, Sep 07 2023

Status

approved