OFFSET
0,1
COMMENTS
Subsequence of A034836, which gives the number of cuboids for volume n.
FORMULA
From Colin Barker, Mar 28 2014: (Start)
The following is conjectured.
a(n) = (37+3*(-1)^n+48*n+14*n^2)/8.
a(n) = 2*a(n-1)-2*a(n-3)+a(n-4).
G.f.: -(2*x+5)/((x+1)*(x-1)^3). (End)
CROSSREFS
KEYWORD
nonn
AUTHOR
Anthony C Robin, Jan 17 2005
EXTENSIONS
Edited and extended by Ray Chandler, Dec 19 2008
a(0)=5 prepended and g.f. edited by Alois P. Heinz, Oct 05 2016
STATUS
approved