Number of tied close American football games: number of ways for the game to end at the score of n to n and never be separated by more than one score after each play.
A301381
Number of tied close American football games: number of ways for the game to end at the score of n to n and never be separated by more than one score after each play.
Terms
- a(0) =1a(1) =0a(2) =2a(3) =2a(4) =6a(5) =24a(6) =80a(7) =208a(8) =922a(9) =2310a(10) =8794a(11) =26000a(12) =86632a(13) =274120a(14) =893552a(15) =2837882a(16) =9254642a(17) =29470852a(18) =95567342a(19) =306155908a(20) =987994256a(21) =3174707284a(22) =10228816628a(23) =32893256236a(24) =105937526030a(25) =340778467916
External references
- oeis: A301381