a(1) = 2; then smallest palindrome > 1 not occurring earlier such that every partial concatenation is a prime.

A088086

a(1) = 2; then smallest palindrome > 1 not occurring earlier such that every partial concatenation is a prime.

Terms

    a(0) =2a(1) =3a(2) =9a(3) =11a(4) =313a(5) =33a(6) =9339a(7) =303a(8) =909a(9) =747a(10) =383a(11) =7a(12) =969a(13) =797a(14) =141a(15) =12721a(16) =1881a(17) =161a(18) =343a(19) =77a(20) =333a(21) =7227a(22) =181a(23) =737a(24) =30603a(25) =14841a(26) =12621a(27) =1111a(28) =15051a(29) =777

External references