Number of lunar divisors of the number 999...9 (with n 9's).

A169983

Number of lunar divisors of the number 999...9 (with n 9's).

Terms

    a(0) =1a(1) =2a(2) =3a(3) =13a(4) =32a(5) =222a(6) =664a(7) =4355a(8) =20853

External references