Number of different score sequences that are possible in an n-team round-robin tournament.

A000571

Number of different score sequences that are possible in an n-team round-robin tournament.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =4a(5) =9a(6) =22a(7) =59a(8) =167a(9) =490a(10) =1486a(11) =4639a(12) =14805a(13) =48107a(14) =158808a(15) =531469a(16) =1799659a(17) =6157068a(18) =21258104a(19) =73996100a(20) =259451116a(21) =915695102a(22) =3251073303a(23) =11605141649a(24) =41631194766a(25) =150021775417a(26) =542875459724

External references