A135273 Row 9 of A038207.

512, 2304, 4608, 5376, 4032, 2016, 672, 144, 18, 1

Offset: 0

Author

Zerinvary Lajos, Dec 02 2007

Keywords

• easy
• fini
• nonn
• full

Comments

A 9-cube or enneract is a nine-dimensional hypercube with 512 vertices, 2304 edges, 4608 square faces, 5376 cubic cells, 4032 tesseract 4-faces, 2016 penteract 5-faces, 672 hexeract 6-faces, 144 hepteract 7-faces and 18 octeract 8-faces.

Links

• Wikipedia, Enneract.

Crossrefs

Cf. A038207, A135269, A135270, A135271, A135272.

Programs

Maple

for i from 9 to 9 do seq(binomial(i, j)*2^(i-j), j = 0 .. i-1) od;

PARI

Vec((x+2)^9+O(x^10)) \\ Joerg Arndt, Apr 15 2013