OFFSET
0,5
FORMULA
a(n) = floor((198*(-1+(-1)^n)*(-1)^((n-1)*n/2)+(n+10)*(2*n^2+40*n+125+99*(-1)^n)+1216)/3168). - Tani Akinari, Jun 20 2013
MATHEMATICA
CoefficientList[Series[1/((1-x^2)(1-x^3)(1-x^4)(1-x^11)), {x, 0, 60}], x] (* From Harvey P. Dale, Sep 07 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
STATUS
editing