

A060631


Number of independent sets in an ndimensional hypercube modulo symmetries of the hypercube.


0




OFFSET

0,1


LINKS

Table of n, a(n) for n=0..6.
Eric Weisstein's World of Mathematics, Hypercube Graph
Eric Weisstein's World of Mathematics, Independent Vertex Set


EXAMPLE

The six independent sets of the 3cube 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.


CROSSREFS

Cf. A027624.
Sequence in context: A032908 A192366 A318039 * A275487 A096100 A260161
Adjacent sequences: A060628 A060629 A060630 * A060632 A060633 A060634


KEYWORD

nonn,nice,more


AUTHOR

David Eppstein, Apr 14 2001


EXTENSIONS

a(6) from Andrew Howroyd, Apr 23 2020


STATUS

approved



