Number of matroids: column 3 of A034327.

A034329

Number of matroids: column 3 of A034327.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =1a(4) =2a(5) =5a(6) =9a(7) =17a(8) =29a(9) =47a(10) =72a(11) =110

External references