Number of Dyck paths of semilength 2n such that the area between the x-axis and the path is 4n.
A240008
Number of Dyck paths of semilength 2n such that the area between the x-axis and the path is 4n.
Terms
- a(0) =1a(1) =1a(2) =3a(3) =14a(4) =65a(5) =301a(6) =1419a(7) =6786a(8) =32749a(9) =159108a(10) =777224a(11) =3813745a(12) =18783934a(13) =92811389a(14) =459832745a(15) =2283628771a(16) =11364500644a(17) =56659024320a(18) =282939657220
External references
- oeis: A240008