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 1-5 of 5 results.

A019502 Number of simplices in minimal decomposition of an n-cube.

Original entry on oeis.org

1, 2, 5, 16, 67
Offset: 1

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Author

Keywords

References

  • H. T. Croft, K. J. Falconer and R. K. Guy, Unsolved Problems in Geometry, Section C9.
  • R. K. Guy, What is the simplexity of the d-cube?, Amer. Math. Monthly, 91:10 (1984), 628-629.

Crossrefs

Other sequences dealing with different ways to attack this problem. They give further references: A019503, A019504, A166932, A166932, A239912, A275518.
See also A094294, A238820, A238821.

A238820 Number of triangulations of the vertex set of the n-dimensional cube.

Original entry on oeis.org

1, 1, 2, 74, 92487256
Offset: 0

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Author

N. J. A. Sloane, Mar 06 2014

Keywords

Comments

The number of triangulations of the n-cube is a distant cousin of Catalan numbers as they both count triangulations of some set of points. - Lionel Pournin, Mar 06 2014

References

  • Lionel Pournin, The flip-graph of the 4-dimensional cube is connected, Discrete Comput. Geom. 49 (2013), no. 3, 511--530.MR3038527

Crossrefs

Cf. A238821.

A358383 Number of regular triangulations of the vertex set of the n-dimensional cube.

Original entry on oeis.org

1, 1, 2, 74, 87959448
Offset: 0

Views

Author

Stefano Spezia, Nov 13 2022

Keywords

References

  • Lionel Pournin, The flip-graph of the 4-dimensional cube is connected, Discrete Comput. Geom. 49 (2013), no. 3, 511--530.MR3038527

Crossrefs

Cf. A238820 (all), A238821, A358384 (Sym(n)-orbits), A358385 (Gamma(n)-orbits).

A358385 Number of automorphism group Gamma(n)-orbits of regular triangulations of the vertex set of the n-dimensional cube.

Original entry on oeis.org

1, 1, 1, 6, 235277
Offset: 0

Views

Author

Stefano Spezia, Nov 13 2022

Keywords

Crossrefs

Cf. A238820 (all), A238821, A358383 (all regular), A359384 (Sym(n)-orbits).

A358384 Number of symmetric group Sym(n)-orbits of regular triangulations of the vertex set of the n-dimensional cube.

Original entry on oeis.org

1, 1, 2, 23, 3706261
Offset: 0

Views

Author

Stefano Spezia, Nov 13 2022

Keywords

Crossrefs

Cf. A238820 (all), A238821, A358383 (all regular), A358385 (Gamma(n)-orbits).
Showing 1-5 of 5 results.