Number of ways n competitors can rank in a competition, allowing for the possibility of ties.| oeis.org
The first triple dead heat in harness racing: Patchover, Payne Hall, and Penny Maid at Freehold Raceway (USA), 1953.This list of dead heat horse races includes wins between two or more horses, where the winner could not be determined by a photo finish. Before the 20th century, dead heat horse races could be settled by a second deciding race, unless the owners agreed to divide the prize.| en.wikipedia.org
