Number of tic-tac-toe games won after n plays.
A061221
Number of tic-tac-toe games won after n plays.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1440a(5) =5328a(6) =47952a(7) =72576a(8) =81792
External references
- oeis: A061221
A061221
Number of tic-tac-toe games won after n plays.