a(n+1) = smallest prime p in the range a(n) < p < a(1)*a(2)*...*a(n) such that p-1 divides a(1)*a(2)*...*a(n); or if no such prime p exists, then a(n+1) = smallest prime > a(n).
A057459
a(n+1) = smallest prime p in the range a(n) < p < a(1)*a(2)*...*a(n) such that p-1 divides a(1)*a(2)*...*a(n); or if no such prime p exists, then a(n+1) = smallest prime > a(n).
Terms
- a(0) =2a(1) =3a(2) =5a(3) =7a(4) =11a(5) =23a(6) =31a(7) =43a(8) =47a(9) =67a(10) =71a(11) =139a(12) =211a(13) =283a(14) =311a(15) =331a(16) =431a(17) =463a(18) =659a(19) =683a(20) =691a(21) =863a(22) =947a(23) =967a(24) =1291a(25) =1303a(26) =1319a(27) =1367a(28) =1427a(29) =1699
External references
- oeis: A057459