1022217

Appears in sequences

• Triangle T(n,k) read by rows, giving number of matroids of rank k on n labeled points (n >= 0, 0 <= k <= n).at n=39A058669
• Triangle T(n,k) read by rows, giving number of matroids of rank k on n labeled points (n >= 0, 0 <= k <= n).at n=41A058669
• Number of matroids of rank 3 on n labeled points.at n=5A058687