OFFSET
1,2
COMMENTS
A wazir is a leaper [0,1].
LINKS
V. Kotesovec, Non-attacking chess pieces, 6ed, p.402
FORMULA
a(n) = n^2*(n^2-5)/2, n>=3.
G.f.: 2*x^2 * (2*x^5 - 9*x^4 + 15*x^3 - 9*x^2 - 4*x - 1)/(x-1)^5.
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Nov 28 2011
STATUS
approved