a(n) = the smallest multiple of n with n digits and exactly n divisors. a(n) = 0 if no such number exists.
A182749
a(n) = the smallest multiple of n with n digits and exactly n divisors. a(n) = 0 if no such number exists.
Terms
- a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =10000024a(8) =100580841a(9) =0a(10) =25937424601a(11) =100000000068a(12) =0a(13) =0a(14) =0a(16) =0a(18) =0a(20) =0a(21) =0a(22) =0a(25) =0
External references
- oeis: A182749