A135271 Row 7 of A038207.

128, 448, 672, 560, 280, 84, 14, 1

Offset

0,1

Comments

A hepteract is a seven-dimensional hypercube with 128 vertices, 448 edges, 672 square faces, 560 cubic cells, 280 tesseract 4-faces, 84 penteract 5-faces and 14 hexeract 6-faces.

Links

Table of n, a(n) for n=0..7.

Wikipedia, Hepteract.

Maple

for i from 7 to 7 do seq(binomial(i, j)*2^(i-j), j = 0 .. i-1) od; #

Prog

(PARI) Vec((x+2)^7+O(x^8)) \\ Joerg Arndt, Apr 15 2013

Crossrefs

Cf. A038207.

Sequence in context: A203449 A195090 A209380 * A369638 A223316 A123293

Adjacent sequences: A135268 A135269 A135270 * A135272 A135273 A135274

Keyword

easy,fini,nonn,full

Author

Zerinvary Lajos, Dec 02 2007

Status

approved