Number of ballot sequences of length n having largest descent 7.
A244203
Number of ballot sequences of length n having largest descent 7.
Terms
- a(0) =1a(1) =10a(2) =91a(3) =645a(4) =4476a(5) =28417a(6) =178034a(7) =1080695a(8) =6528155a(9) =38917937a(10) =232238686a(11) =1381225056a(12) =8249156391a(13) =49357075136a(14) =297073535723
External references
- oeis: A244203