Number of Dyck paths of semilength n such that each positive level has exactly ten peaks.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =0a(9) =0a(10) =1a(11) =0a(12) =0a(13) =0a(14) =0a(15) =0a(16) =0a(17) =0a(18) =0a(19) =0a(20) =0a(21) =11a(22) =594a(23) =10296a(24) =84084a(25) =378378a(26) =1009008a(27) =1633632a(28) =1575288a(29) =831402