A295176 Chromatic invariant of the n-hypercube graph.

1, 1, 1, 11, 48253, 135327729523895

Offset

0,4

Links

Table of n, a(n) for n=0..5.

Eric Weisstein's World of Mathematics, Chromatic Invariant

Eric Weisstein's World of Mathematics, Hypercube Graph

Formula

a(n) = Sum_{k=2..2^n} (-1)^k*(k-2)!*A334159(n,k) for n > 0. - Andrew Howroyd, Apr 23 2020

Crossrefs

Cf. A295172, A295174, A334159.

Sequence in context: A198707 A198626 A343119 * A337248 A102367 A055322

Adjacent sequences: A295173 A295174 A295175 * A295177 A295178 A295179

Keyword

nonn,more

Author

Eric W. Weisstein, Nov 16 2017

Extensions

a(5) from Andrew Howroyd, Apr 23 2020

Status

approved