Number of Dyck 2n-paths with all ascents of even length and all descents of odd length.
A182530
Number of Dyck 2n-paths with all ascents of even length and all descents of odd length.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =3a(4) =9a(5) =33a(6) =125a(7) =484a(8) =1933a(9) =7883a(10) =32656a(11) =137127a(12) =582353a(13) =2496711a(14) =10791823a(15) =46978411a(16) =205775845a(17) =906291623a(18) =4011033078a(19) =17829430207a(20) =79565177628a(21) =356329040864
External references
- oeis: A182530