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.

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A027680 Number of independent subsets of 5^n cube (P_5 X ... X P_5).

Original entry on oeis.org

2, 13, 55447, 1621477990380993035885
Offset: 0

Views

Author

R. H. Hardin

Keywords

Examples

			For n=0, the two sets are the empty set and a set containing a single isolated vertex. - _Sean A. Irvine_, Nov 20 2019

Crossrefs

Cf. A027624, A027667, A027668.

Extensions

a(0) corrected by Sean A. Irvine, Nov 20 2019

A060631 Number of independent sets in an n-dimensional hypercube modulo symmetries of the hypercube.

Original entry on oeis.org

2, 2, 3, 6, 21, 288, 519195
Offset: 0

Views

Author

David Eppstein, Apr 14 2001

Keywords

Examples

			The six independent sets of the 3-cube are: the empty set, one vertex, two vertices on a common facet, two vertices on opposite corners, three neighbors of a vertex and four vertices of a tetrahedron.

Links

Crossrefs

Cf. A027624.

Extensions

a(6) from Andrew Howroyd, Apr 23 2020
Previous Showing 11-12 of 12 results.

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

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