


default search action
"On the spiral property of the q-derangement numbers."
Xiang-De Zhang (1996)
- Xiang-De Zhang:
On the spiral property of the q-derangement numbers. Discret. Math. 159(1-3): 295-298 (1996)

manage site settings
To protect your privacy, all features that rely on external API calls from your browser are turned off by default. You need to opt-in for them to become active. All settings here will be stored as cookies with your web browser. For more information see our F.A.Q.