A065402 Number of normal play partisan games born on day n.

1, 3, 18, 1452

Offset: 0

Author

R. K. Guy, Nov 23 2001

Keywords

• nonn
• more

Comments

Dean Hickerson and Robert Li found a(3) in 1974.

Examples

			Day 0: 0; day 1: 1 -1 *; day 2, 18: 2 -2 1/2 -1/2 1* -1* +/-1 up upstar down downstar *2 1|* 1|0 1|0,* *|-1 0|-1 0,*|-1.
		

References

• Dan Calistrate, Marc Paulhus and David Wolfe, On the lattice structure of finite games, in More Games of No Chance (Berkeley, CA, 2000), Math. Sci. Res. Inst. Publ., 42, Cambridge Univ. Press, Cambridge, 2002, pp. 25-30.
• J. H. Conway, On Numbers and Games, Academic Press, NY, 1976.

Crossrefs

Cf. A065401, A065407, A047995, A037142.