Number of minimal total dominating sets in the n-dipyramidal graph.

Terms

a(0) =2a(1) =4a(2) =9a(3) =12a(4) =15a(5) =21a(6) =21a(7) =20a(8) =30a(9) =45a(10) =44a(11) =49a(12) =65a(13) =77a(14) =98a(15) =132a(16) =153a(17) =180a(18) =247a(19) =329a(20) =409a(21) =528a(22) =690a(23) =889a(24) =1180a(25) =1573a(26) =2037a(27) =2657a(28) =3538a(29) =4684