a(n) is the smallest number that is the sum of at least n repdigits (not necessarily distinct) but not of any fewer.

A336748

a(n) is the smallest number that is the sum of at least n repdigits (not necessarily distinct) but not of any fewer.

Terms

    a(0) =1a(1) =10a(2) =21a(3) =320a(4) =2219a(5) =32218a(6) =332217a(7) =3332216a(8) =33332215a(9) =333332214a(10) =3333332213

External references