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Numbers k such that A360506(k) is prime.
1

%I #12 Feb 19 2023 16:22:47

%S 2,5,13,57,109,638,3069

%N Numbers k such that A360506(k) is prime.

%C Analogous to A360503, which gives the primes in A048435.

%H <a href="/index/Mo#MWP">Index entries for sequences related to Most Wanted Primes video</a>

%e A360506(5) = 4003 is prime, so 5 is a term.

%Y Cf. A048435, A360503, A360506.

%K nonn,base,more

%O 1,1

%A _Rémy Sigrist_ and _N. J. A. Sloane_, Feb 18 2023

%E a(6)-a(7) from _Michael S. Branicky_, Feb 18 2023