A052205 a(n+1) is smallest palindromic prime containing exactly 3 more digits on each end than the previous term, with a(n) as a central substring.
2, 1022201, 1051022201501, 1241051022201501421, 1071241051022201501421701, 1051071241051022201501421701501, 1091051071241051022201501421701501901, 1351091051071241051022201501421701501901531
Offset: 1
Links
- Giovanni Resta, Table of n, a(n) for n = 1..26 (full sequence)
Extensions
Shown to be finite by Felice Russo