Number of total dominating sets in the n-crown graph.

Terms

a(0) =0a(1) =1a(2) =16a(3) =121a(4) =676a(5) =3249a(6) =14400a(7) =61009a(8) =252004a(9) =1026169a(10) =4145296a(11) =16670889a(12) =66879684a(13) =267944161a(14) =1072693504a(15) =4292739361a(16) =17175150916a(17) =68709515625a(18) =274856935824