a(1) = 7; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n).
A087390
a(1) = 7; a(n+1) is the least prime formed by adding one or more digits to the digit reversal of a(n).
Terms
- a(0) =7a(1) =71a(2) =173a(3) =3719a(4) =91733a(5) =3371947a(6) =749173303a(7) =3033719477a(8) =774917330303
External references
- oeis: A087390