a(n) is the least k such that the concatenations of k^i, i=0..j, are prime for j from 1 to n.
A376027
a(n) is the least k such that the concatenations of k^i, i=0..j, are prime for j from 1 to n.
Terms
- a(0) =1a(1) =3a(2) =22557a(3) =354081a(4) =419163a(5) =286623930087
External references
- oeis: A376027