a(n) is the ending digit of a prime number occurring most up to the n-th prime. If a tie exists, then the digits are concatenated in ascending order.

A301339

a(n) is the ending digit of a prime number occurring most up to the n-th prime. If a tie exists, then the digits are concatenated in ascending order.

Terms

    a(0) =2a(1) =23a(2) =235a(3) =2357a(4) =12357a(5) =3a(6) =37a(7) =37a(8) =3a(9) =3a(10) =3a(11) =37a(12) =137a(13) =3a(14) =37a(15) =3a(16) =3a(17) =3a(18) =37a(19) =137a(20) =3a(21) =3a(22) =3a(23) =3a(24) =3a(25) =3a(26) =3a(27) =3a(28) =3a(29) =3

External references