a(1) = 1 and then least squarefree number such that every partial concatenation of 2 or more terms is a prime.

A086475

a(1) = 1 and then least squarefree number such that every partial concatenation of 2 or more terms is a prime.

Terms

    a(0) =1a(1) =3a(2) =7a(3) =11a(4) =13a(5) =29a(6) =37a(7) =113a(8) =123a(9) =229a(10) =287a(11) =319a(12) =443a(13) =481a(14) =533a(15) =541a(16) =557a(17) =771a(18) =777a(19) =991a(20) =1479a(21) =1487a(22) =1663a(23) =2063a(24) =2163a(25) =2193a(26) =2553a(27) =2911a(28) =3251a(29) =3391

External references