a(n) is the number of terms of A000057 in [10^n].
A373774
a(n) is the number of terms of A000057 in [10^n].
Terms
- a(0) =3a(1) =7a(2) =38a(3) =249a(4) =1894a(5) =15456a(6) =130824a(7) =11344404a(8) =10007875a(9) =89562047
External references
- oeis: A373774