Number of total dominating sets in the n-double cone graph.

Terms

a(0) =4a(1) =16a(2) =79a(3) =336a(4) =1144a(5) =4351a(6) =17224a(7) =67936a(8) =267919a(9) =1063216a(10) =4233904a(11) =16882191a(12) =67380304a(13) =269142736a(14) =1075602319a(15) =4299846976a(16) =17192621224a(17) =68752838911a(18) =274965310744