Number of graph minors in the n-node wheel graph.

Terms

a(0) =1a(1) =3a(2) =7a(3) =18a(4) =46a(5) =122a(6) =326a(7) =863a(8) =2252a(9) =5757a(10) =14430a(11) =35531a(12) =86215a(13) =206613a(14) =490247a(15) =1153733a(16) =2696961a(17) =6268921a(18) =14502345a(19) =33410523a(20) =76691414a(21) =175465674a(22) =400268753a(23) =910604494a(24) =2066396936a(25) =4678171694a(26) =10567687439a(27) =23822090548a(28) =53595047261a(29) =120353301562