a(n) is the number of ways to partition the set of vertices of a convex (n+14)-gon into 5 nonintersecting polygons.

A350303

a(n) is the number of ways to partition the set of vertices of a convex (n+14)-gon into 5 nonintersecting polygons.

Terms

    a(0) =0a(1) =273a(2) =1820a(3) =7140a(4) =21420a(5) =54264a(6) =122094a(7) =251370a(8) =482790a(9) =876645a(10) =1519518a(11) =2532530a(12) =4081350a(13) =6388200a(14) =9746100a(15) =14535612a(16) =21244356a(17) =30489585a(18) =43044120a(19) =59865960a(20) =82131896a(21) =111275472a(22) =149029650a(23) =197474550a(24) =259090650a(25) =336817845a(26) =434120778a(27) =555060870a(28) =704375490a(29) =887564720

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