OFFSET
1,3
COMMENTS
A nightrider is a fairy chess piece that can move (proportionate to how a knight moves) in any direction.
LINKS
V. Kotesovec, Non-attacking chess pieces
Vaclav Kotesovec, Generating function and explicit formula
CROSSREFS
KEYWORD
nonn
AUTHOR
Vaclav Kotesovec, Oct 06 2011
STATUS
approved