Sum of the heights of the peaks in all skew Dyck paths of semilength n.

A129171

Sum of the heights of the peaks in all skew Dyck paths of semilength n.

Terms

    a(0) =0a(1) =1a(2) =6a(3) =32a(4) =165a(5) =840a(6) =4251a(7) =21443a(8) =107946a(9) =542680a(10) =2725635a(11) =13679997a(12) =68623176a(13) =344090307a(14) =1724754180a(15) =8642952000a(16) =43300971885a(17) =216895107480

External references