a(1) = 2; for n > 1, a(n) is the smallest unused prime number that can be created by either removing or adding a single digit anywhere in the value of a(n-1).
A389825
a(1) = 2; for n > 1, a(n) is the smallest unused prime number that can be created by either removing or adding a single digit anywhere in the value of a(n-1).
Terms
- a(0) =2a(1) =23a(2) =3a(3) =13a(4) =103a(5) =1013a(6) =101a(7) =11a(8) =113a(9) =1103a(10) =10103a(11) =100103a(12) =1001003a(13) =100003a(14) =1000003a(15) =10000103a(16) =100001053a(17) =10001053a(18) =100010353a(19) =1000103453a(20) =100103453a(21) =10103453a(22) =1010353a(23) =10101353a(24) =1001353a(25) =100153a(26) =1001153a(27) =1153a(28) =11353a(29) =113153
External references
- oeis: A389825