A135272 Row 8 of A038207.

256, 1024, 1792, 1792, 1120, 448, 112, 16, 1

Offset: 0

Author

Zerinvary Lajos, Dec 02 2007

Keywords

• easy
• fini
• nonn
• full

Comments

An octeract is an eight-dimensional hypercube with 256 vertices, 1024 edges, 1792 square faces, 1792 cubic cells, 1120 tesseract 4-faces, 448 penteract 5-faces, 112 hexeract 6-faces and 16 hepteract 7-faces.

Links

• Wikipedia, Octeract.

Crossrefs

Cf. A038207.

Programs

Maple

for i from 8 to 8 do seq(binomial(i, j)*2^(i-j), j = 0 .. i-1) od;

PARI

Vec((x+2)^8+O(x^9)) \\ Joerg Arndt, Apr 15 2013