Fortunate numbers: least m > 1 such that m + prime(n)# is prime, where p# denotes the product of all primes <= p.
A005235
Fortunate numbers: least m > 1 such that m + prime(n)# is prime, where p# denotes the product of all primes <= p.
Terms
- a(0) =3a(1) =5a(2) =7a(3) =13a(4) =23a(5) =17a(6) =19a(7) =23a(8) =37a(9) =61a(10) =67a(11) =61a(12) =71a(13) =47a(14) =107a(15) =59a(16) =61a(17) =109a(18) =89a(19) =103a(20) =79a(21) =151a(22) =197a(23) =101a(24) =103a(25) =233a(26) =223a(27) =127a(28) =223a(29) =191
External references
- oeis: A005235