Numbers k such that 2*10^(2k) + 2*10^k + 1 are prime.
A296444
Numbers k such that 2*10^(2k) + 2*10^k + 1 are prime.
Terms
- a(0) =0a(1) =2a(2) =3a(3) =6a(4) =10a(5) =276a(6) =746a(7) =1090a(8) =1485a(9) =6186a(10) =8571a(11) =15594
External references
- oeis: A296444