A300701 a(n) = number of faces in a concertina n-cube.

1, 3, 13, 87, 805, 9303, 128533

Offset

0,2

Links

Table of n, a(n) for n=0..6.

Tilman Piesk, Formulas in predicate logic (Wikiversity)

Tilman Piesk, Skeleton and solid representation of a concertina cube.

Example

A concertina 3-cube has 26 0-faces (vertices), 42 1-faces (edges), 18 2-faces and 1 3-face (the polyhedron itself). Together this makes a(3) = 87 faces.

Crossrefs

Row sums of A300700.

Sequence in context: A331646 A054420 A363656 * A174278 A352121 A001831

Adjacent sequences: A300698 A300699 A300700 * A300702 A300703 A300704

Keyword

nonn,more

Author

Tilman Piesk, Mar 11 2018

Status

approved