Number of (undirected) paths in the n-wheel graph.

Terms

a(0) =0a(1) =1a(2) =9a(3) =30a(4) =78a(5) =175a(6) =351a(7) =644a(8) =1100a(9) =1773a(10) =2725a(11) =4026a(12) =5754a(13) =7995a(14) =10843a(15) =14400a(16) =18776a(17) =24089a(18) =30465a(19) =38038a(20) =46950a(21) =57351a(22) =69399a(23) =83260a(24) =99108a(25) =117125a(26) =137501a(27) =160434a(28) =186130a(29) =214803