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 1-2 of 2 results.

A153447 Duplicate of A076893.

Original entry on oeis.org

1, 2, 4, 9, 19, 49, 131, 424, 1652
Offset: 1

Views

Author

Alexander Evnin, Dec 26 2008

Keywords

Comments

Duplicate of A076893. - R. J. Mathar, Jan 03 2009

References

  • A. Evnin. An elementary Introduction to Matroids, Mathematical Education, 2(33), 2005, 2-33.

Crossrefs

Cf. A034343.

A076894 Number of inequivalent linear projective ternary codes of length n (i.e., with distinct columns and without zero columns). Also the number of nonisomorphic simple ternary matroids on an n-set.

Original entry on oeis.org

1, 1, 2, 4, 7, 17, 44, 141, 581, 3464, 33269, 582005
Offset: 1

Views

Author

Marcel Wild (mwild(AT)sun.ac.za), Nov 26 2002

Keywords

References

  • M. Wild, Enumeration of binary and ternary matroids and other applications of the Brylawski-Lucas Theorem, Preprint 1693, Technische Hochschule Darmstadt, 1994.

Crossrefs

Extensions

a(11)-a(12) from Fripertinger's table added by Andrei Zabolotskii, Aug 27 2025
Showing 1-2 of 2 results.