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
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
KEYWORD
easy,fini,nonn,full
AUTHOR
Zerinvary Lajos, Dec 02 2007
STATUS
approved