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

Terms

a(0) =5a(1) =25a(2) =113a(3) =377a(4) =1465a(5) =5617a(6) =21425a(7) =82697a(8) =320225a(9) =1244825a(10) =4858529a(11) =19024217a(12) =74709913a(13) =294150497a(14) =1160734753a(15) =4589261321a(16) =18175460993a(17) =72087537961a(18) =286271974993