Primes p which divide no f(q)-1 or f(q)+1 for prime q < p, where f(q) is the product of all primes <= q.
A020480
Primes p which divide no f(q)-1 or f(q)+1 for prime q < p, where f(q) is the product of all primes <= q.
Terms
- a(0) =2a(1) =13a(2) =17a(3) =23a(4) =41a(5) =43a(6) =47a(7) =67a(8) =71a(9) =83a(10) =89a(11) =101a(12) =103a(13) =107a(14) =109a(15) =113a(16) =127a(17) =137a(18) =151a(19) =157a(20) =179a(21) =193a(22) =199a(23) =227a(24) =233a(25) =239a(26) =241a(27) =251a(28) =257a(29) =263
External references
- oeis: A020480