cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-9 of 9 results.

A034329 Number of matroids: column 3 of A034327.

Original entry on oeis.org

0, 0, 0, 1, 2, 5, 9, 17, 29, 47, 72, 110
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034327-.

A034330 Number of matroids: column 4 of A034327.

Original entry on oeis.org

0, 0, 0, 0, 1, 3, 9, 24, 60, 133, 279, 556
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034327-.

A034331 Number of matroids: column 5 of A034327.

Original entry on oeis.org

0, 0, 0, 0, 0, 1, 4, 17, 60, 192, 556, 1514
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034327-.

A034332 Number of matroids: column 6 of A034327.

Original entry on oeis.org

0, 0, 0, 0, 0, 0, 1, 5, 29, 133, 556, 2108
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034327-.

A034328 Triangle read by rows: T(n,k) = number of loopless, regular k X n-matrix matroids of dimension k (or n-matroids of rank k).

Original entry on oeis.org

1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 6, 12, 11, 5, 1, 1, 7, 20, 26, 17, 6, 1, 1, 9, 33, 58, 52, 25, 7, 1, 1, 11, 52, 121, 146, 95, 35, 8, 1, 1, 13, 78, 240, 388, 334, 162, 47, 9, 1, 1, 15, 113, 454, 975, 1123, 710, 262, 61, 10, 1, 1, 18, 163, 835, 2365
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

Examples

			1; 1,1; 1,2,1; 1,3,3,1; 1,4,6,4,1; 1,6,12,11,5,1; 1,7,20,26,17,6,1; ...

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034356, A034327.

Extensions

Description corrected by Harald Fripertinger, Nov 14 2007

A034333 Number of matroids: column 3 of A034328.

Original entry on oeis.org

0, 0, 1, 3, 6, 12, 20, 33, 52, 78, 113, 163
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034327-.

A034334 Number of matroids: column 4 of A034328.

Original entry on oeis.org

0, 0, 0, 1, 4, 11, 26, 58, 121, 240, 454, 835
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034327-.

A034335 Number of matroids: column 5 of A034328.

Original entry on oeis.org

0, 0, 0, 0, 1, 5, 17, 52, 146, 388, 975, 2365
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034327-.

A034336 Number of matroids: column 6 of A034328.

Original entry on oeis.org

0, 0, 0, 0, 0, 1, 6, 25, 95, 334, 1123, 3621
Offset: 0

Views

Author

N. J. A. Sloane

Keywords

References

  • Computed by Harald Fripertinger (fripert(AT)kfunigraz.ac.at).

Links

Crossrefs

Cf. A034327-.
Showing 1-9 of 9 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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