a(n) is the least number with n decimal digits 1 and n prime factors, counted with multiplicity.
A376153
a(n) is the least number with n decimal digits 1 and n prime factors, counted with multiplicity.
Terms
- a(0) =13a(1) =115a(2) =1113a(3) =11116a(4) =1111124a(5) =11111120a(6) =111111156a(7) =1111111128a(8) =11111111616a(9) =111111121116
External references
- oeis: A376153