Number of tournament sequences: sequences (a_1, a_2, ..., a_n) with a_1 = 1 such that a_i < a_{i+1} <= 2*a_i for all i.
A008934
Number of tournament sequences: sequences (a_1, a_2, ..., a_n) with a_1 = 1 such that a_i < a_{i+1} <= 2*a_i for all i.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =7a(4) =41a(5) =397a(6) =6377a(7) =171886a(8) =7892642a(9) =627340987a(10) =87635138366
External references
- oeis: A008934