OFFSET
17,2
LINKS
L. Ng, Magic Counting with Inside-Out Polytopes, San Francisco State University, 2018.
FORMULA
G.f.: x^17*(1 + x)*(1 + 2*x + 6*x^2 + 8*x^3 + 17*x^4 + 20*x^5 + 36*x^6 + 38*x^7 + 58*x^8 + 57*x^9 + 76*x^10 + 68*x^11 + 84*x^12 + 70*x^13 + 81*x^14 + 57*x^15 + 59*x^16 + 34*x^17 + 38*x^18 + 16*x^19 + 14*x^20)/((1 - x^3)*(1 - x^4)*(1 - x^6)*(1 - x^7)*(1 - x^8)*(1 - x^10)).
CROSSREFS
KEYWORD
nonn
AUTHOR
Louis Ng, Aug 13 2018
STATUS
approved