Smallest prime in the sequence s(k) = n*s(k-1) - s(k-2), with s(0) = 1, s(1) = n + 1 (or -1 if no such prime exists).

A269253

Smallest prime in the sequence s(k) = n*s(k-1) - s(k-2), with s(0) = 1, s(1) = n + 1 (or -1 if no such prime exists).

Terms

    a(0) =2a(1) =3a(2) =11a(3) =5a(4) =29a(5) =7a(6) =-1a(7) =71a(8) =89a(9) =11a(10) =131a(11) =13a(12) =181a(13) =-1a(14) =239a(15) =17a(16) =5167a(17) =19a(18) =379a(19) =419a(20) =461a(21) =23a(22) =-1a(23) =599a(24) =251894449a(25) =701a(26) =20357a(27) =29a(28) =25171a(29) =31

External references