OFFSET
0,2
REFERENCES
Fredrick T. Wall, Chemical Thermodynamics, W. H, Freeman, San Francisco, 1965, page 269
LINKS
Vincenzo Librandi, Table of n, a(n) for n = 0..10000
FORMULA
a(n)=Sum((4k-1)(4k^2-2k-1),k=0..n) (n>=0).
G.f.: (1-x+71*x^2+25*x^3)/(1-x)^5. [Colin Barker, Jan 28 2012]
MAPLE
a:=n->(n+1)^2*(2*n-1)^2: seq(a(n), n=0..31);
MATHEMATICA
f[m_] = Sum[(4*n - 1)*(4*n^2 - 2*n - 1), {n, 0, m}]; a = Table[f[n], {n, 0, 50}]
CROSSREFS
KEYWORD
nonn
AUTHOR
Roger L. Bagula, Oct 04 2006
EXTENSIONS
Edited by N. J. A. Sloane, Oct 15 2006
STATUS
approved