Beginning with 3, least prime > a(n-1) using only digits 2 and 3 such that every concatenation a(1),a(2),... is a palindrome.

A347680

Beginning with 3, least prime > a(n-1) using only digits 2 and 3 such that every concatenation a(1),a(2),... is a palindrome.

Terms

    a(0) =3a(1) =23a(2) =3323a(3) =233323

External references