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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.
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%I #9 Sep 25 2023 09:44:47

%S 913,150267335403,430558874533,14760229232131,936916995253453

%N 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.

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

%C There are only five terms less than 10^15.

%H R. Baillie, A. Fiori, and S. S. Wagstaff, Jr., <a href="https://doi.org/10.1090/mcom/3616">Strengthening the Baillie-PSW primality test</a>, Mathematics of Computation 90 (2021), 1931-1955, arXiv:<a href="https://arxiv.org/abs/2006.14425">2006.14425</a>.

%Y Cf. A217120.

%K nonn,hard,more

%O 1,1

%A _Felix Fröhlich_, Sep 07 2023