A082624 a(1) = 7, a(n) = smallest palindromic prime obtained by inserting digit anywhere in a(n-1).
7, 373, 30703, 3007003, 302070203, 30207570203, 3062075702603, 306020757020603, 30602075057020603, 3060320750570230603, 300603207505702306003, 30060320275057202306003, 3006032021750571202306003, 300603202127505721202306003, 30046032021275057212023064003
Offset: 1
Links
- Giovanni Resta, Table of n, a(n) for n = 1..315
Extensions
More terms from Giovanni Resta, Sep 20 2019