Smallest and largest primes pairwise displayed with k digits from k=2,3,... with repeated decimal digits.

A099630

Smallest and largest primes pairwise displayed with k digits from k=2,3,... with repeated decimal digits.

Terms

    a(0) =11a(1) =11a(2) =101a(3) =997a(4) =1009a(5) =9973a(6) =10007a(7) =99991a(8) =100003a(9) =999983a(10) =1000003a(11) =9999991a(12) =10000019a(13) =99999989a(14) =100000007a(15) =999999937a(16) =1000000007a(17) =9999999967a(18) =10000000019a(19) =99999999977a(20) =100000000003a(21) =999999999989

External references