a(1) = 1; 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).
A389824
a(1) = 1; 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) =1a(1) =11a(2) =101a(3) =1013a(4) =13a(5) =3a(6) =23a(7) =2a(8) =29a(9) =229a(10) =1229a(11) =12239a(12) =1223a(13) =223a(14) =2203a(15) =12203a(16) =102203a(17) =10223a(18) =102023a(19) =1020023a(20) =20023a(21) =2003a(22) =20063a(23) =2063a(24) =263a(25) =2633a(26) =233a(27) =2333a(28) =20333a(29) =203233
External references
- oeis: A389824