Numbers of the form 41*(2*10^n+1) where (2*10^n+1)/3 is prime (n is in the sequence A096507).
A105323
Numbers of the form 41*(2*10^n+1) where (2*10^n+1)/3 is prime (n is in the sequence A096507).
Terms
- a(0) =861a(1) =8241a(2) =82000041a(3) =8200000041a(4) =82000000041
External references
- oeis: A105323