Number of vertex cuts in the n-trapezohedral graph.

Terms

a(0) =5a(1) =15a(2) =88a(3) =435a(4) =1957a(5) =8394a(6) =35273a(7) =146795a(8) =607492a(9) =2503687a(10) =10282873a(11) =42103670a(12) =171925709a(13) =700339023a(14) =2846710048a(15) =11549292123a(16) =46778169517a(17) =189188288130a(18) =764162167025