Numerators of A002110 divided by A102647, starting from the second term of both.

A165657

Numerators of A002110 divided by A102647, starting from the second term of both.

Terms

    a(0) =2a(1) =3a(2) =15a(3) =105a(4) =385a(5) =5005a(6) =17017a(7) =323323a(8) =1062347a(9) =30808063a(10) =434113615a(11) =35336848261

External references