Group the natural numbers so that the n-th group contains n numbers whose sum as well as the group product +1 is prime. Sequence contains the primes arising as the product of the terms of groups +1.
A092947
Group the natural numbers so that the n-th group contains n numbers whose sum as well as the group product +1 is prime. Sequence contains the primes arising as the product of the terms of groups +1.
Terms
- a(0) =3a(1) =5a(2) =181a(3) =2521a(4) =552553a(5) =39070081a(6) =4180176001
External references
- oeis: A092947