The smallest n-digit prime that turns composite at each step as its digits are successively appended, starting from the last.
A382981
The smallest n-digit prime that turns composite at each step as its digits are successively appended, starting from the last.
Terms
- a(0) =2a(1) =11a(2) =101a(3) =1019a(4) =10007a(5) =100043a(6) =1000003a(7) =10000019a(8) =100000007a(9) =1000000007a(10) =10000000019a(11) =100000000003
External references
- oeis: A382981