A376103 - cp's OEIS frontend

A376103 a(1) = 5; for n > 1, a(n) is the smallest palindromic prime containing exactly 2 more digits on each end than a(n-1), with a(n-1) as the central substring.

n	a(n)
1	5
2	10501
3	111050111
4	1211105011121
5	39121110501112193
6	393912111050111219393
7	7239391211105011121939327
8	79723939121110501112193932797
9	157972393912111050111219393279751
10	7415797239391211105011121939327975147

[5, 10501, 111050111, 1211105011121, 39121110501112193, 393912111050111219393, 7239391211105011121939327, 79723939121110501112193932797, 157972393912111050111219393279751, 7415797239391211105011121939327975147]

cp's OEIS Frontend

A376103 a(1) = 5; for n > 1, a(n) is the smallest palindromic prime containing exactly 2 more digits on each end than a(n-1), with a(n-1) as the central substring.

Table of values

List of values