a(n) = the smallest n-digit number with exactly 9 divisors, a(n) = 0 if no such number exists.

A182677

a(n) = the smallest n-digit number with exactly 9 divisors, a(n) = 0 if no such number exists.

Terms

    a(0) =0a(1) =36a(2) =100a(3) =1089a(4) =11236a(5) =101761a(6) =1006009a(7) =10023556a(8) =100020001a(9) =1000520161a(10) =10000200001a(11) =100000780441

External references