Number of maximal independent vertex sets in the n-flower graph.

Terms

a(0) =1a(1) =9a(2) =28a(3) =61a(4) =181a(5) =552a(6) =1569a(7) =4445a(8) =12844a(9) =36699a(10) =104765a(11) =300004a(12) =858001a(13) =2453607a(14) =7018828a(15) =20076509a(16) =57423893a(17) =164253216a(18) =469821969a(19) =1343844751a(20) =3843853692a(21) =10994731647a(22) =31448643453a(23) =89953775588a(24) =257298299681a(25) =735960275319