A034327 Triangle of numbers of connected regular (k X n)-matrix matroids of dimension k.

1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 1, 1, 3, 5, 3, 1, 1, 4, 9, 9, 4, 1, 1, 5, 17, 24, 17, 5, 1, 1, 7, 29, 60, 60, 29, 7, 1, 1, 8, 47, 133, 192, 133, 47, 8, 1, 1, 10, 72, 279, 556, 556, 279, 72, 10, 1, 1, 12, 110, 556, 1514, 2108, 1514, 556, 110, 12, 1