Number of zygodrome numbers in base-10 (A033023) with n or fewer digits.

A374749

Number of zygodrome numbers in base-10 (A033023) with n or fewer digits.

Terms

    a(0) =0a(1) =9a(2) =18a(3) =108a(4) =279a(5) =1260a(6) =3780a(7) =15129a(8) =49158a(9) =185328a(10) =627759a(11) =2295720a(12) =7945560a(13) =28607049a(14) =100117098a(15) =357580548a(16) =1258634439a(17) =4476859380a(18) =15804569340a(19) =56096303769a(20) =198337427838a(21) =703204161768

External references