Number of dissections of a convex n-gon into quadrilaterals and pentagons by strictly disjoint diagonals.

A387267

Number of dissections of a convex n-gon into quadrilaterals and pentagons by strictly disjoint diagonals.

Terms

    a(0) =0a(1) =1a(2) =1a(3) =3a(4) =7a(5) =8a(6) =19a(7) =31a(8) =47a(9) =87a(10) =135a(11) =219a(12) =371a(13) =579a(14) =947a(15) =1535a(16) =2423a(17) =3919a(18) =6239a(19) =9891a(20) =15803a(21) =24987a(22) =39563a(23) =62663a(24) =98751a(25) =155815a(26) =245431a(27) =385771a(28) =606467a(29) =951795

External references