Least positive k such that (10^n+1)^n + k is prime.
A121521
Least positive k such that (10^n+1)^n + k is prime.
Terms
- a(0) =1a(1) =2a(2) =10a(3) =2a(4) =16a(5) =12a(6) =220a(7) =60a(8) =112a(9) =222a(10) =112a(11) =30a(12) =618a(13) =348a(14) =156a(15) =248a(16) =10a(17) =290a(18) =256a(19) =2346a(20) =118a(21) =570a(22) =738a(23) =348a(24) =1356a(25) =4352a(26) =1402a(27) =470a(28) =736a(29) =300
External references
- oeis: A121521