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
Offset: 0
Examples
The triangle begins: 1; 1; 1, 1; 1, 1, 1; 1, 2, 2, 1; ...
References
- Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).
Links
- H. Fripertinger, Isometry Classes of Codes
- H. Fripertinger, Regular matroids
- Index entries for sequences related to binary linear codes
- Index entries for sequences related to matroids