Number of Dyck paths of semilength n such that the minimal number of peaks over all positive levels equals seven.

A288546

Number of Dyck paths of semilength n such that the minimal number of peaks over all positive levels equals seven.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =0a(7) =0a(8) =8a(9) =233a(10) =2340a(11) =12232a(12) =40730a(13) =99560a(14) =202520a(15) =382832a(16) =718521a(17) =1365141a(18) =2711069a(19) =6858090a(20) =31187295a(21) =205460160a(22) =1319924619a(23) =7367292450a(24) =35622715506a(25) =152058928294a(26) =585081743348

External references