default search action
"No-three-in-line for seventeen and nineteen."
Heiko Harborth, Philipp Oertel, Thomas Prellberg (1989)
- Heiko Harborth, Philipp Oertel, Thomas Prellberg:
No-three-in-line for seventeen and nineteen. Discret. Math. 73(1-2): 89-90 (1989)
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.