A376130 a(1) = 3; for n > 1, a(n) is the smallest palindromic prime containing exactly 3 more digits on each end than a(n-1), with a(n-1) as a central substring.

3, 1003001, 1021003001201, 1211021003001201121, 1251211021003001201121521, 1211251211021003001201121521121, 1041211251211021003001201121521121401, 1081041211251211021003001201121521121401801, 1091081041211251211021003001201121521121401801901

Offset: 1

Author

Shyam Sunder Gupta, Sep 11 2024

Keywords

• base
• nonn
• fini
• full

Comments

There are 27 terms in this sequence.

Links

• Shyam Sunder Gupta, Table of n, a(n) for n = 1..27

Crossrefs

Cf. A047076, A053600, A375690, A052205.