Primes q appearing in A330832: that is, if A330832(n)=p*q, where p is prime and q=(p^k-1)/(p-1) is prime, then a(n)=q.
A330835
Primes q appearing in A330832: that is, if A330832(n)=p*q, where p is prime and q=(p^k-1)/(p-1) is prime, then a(n)=q.
Terms
- a(0) =3a(1) =7a(2) =13a(3) =31a(4) =31a(5) =127a(6) =1093a(7) =307a(8) =8191a(9) =2801a(10) =1723a(11) =19531a(12) =3541a(13) =131071a(14) =5113a(15) =30941a(16) =8011a(17) =10303a(18) =524287a(19) =88741a(20) =17293a(21) =797161a(22) =28057a(23) =30103a(24) =292561a(25) =732541a(26) =86143a(27) =147073a(28) =12207031a(29) =5229043
External references
- oeis: A330835