OFFSET
1,4
COMMENTS
Wazir is a leaper [0,1].
LINKS
V. Kotesovec, Non-attacking chess pieces
FORMULA
Explicit formula: n^14/5040 - n^12/48 + n^11/60 + 137*n^10/144 - 3*n^9/2 - 1139*n^8/48 + 223*n^7/4 + 59293*n^6/180 - 3191*n^5/3 - 8719*n^4/4 + 51737*n^3/5 + 10914*n^2/7 - 40708*n + 37228, n>=6.
G.f.: 2*x^4*(5*x^16 - 31*x^15 + 193*x^14 - 1683*x^13 + 5093*x^12 + 12431*x^11 - 111239*x^10 + 214181*x^9 + 187845*x^8 - 1518841*x^7 + 2546483*x^6 - 775465*x^5 - 6212549*x^4 - 2702167*x^3 - 286637*x^2 - 6249*x - 10)/(x-1)^15.
a(n) = A232833(n,7). - R. J. Mathar, Apr 11 2024
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Dec 02 2011
STATUS
approved