Number of maximal matchings in the n-Moebius ladder.

Terms

a(0) =3a(1) =3a(2) =6a(3) =23a(4) =43a(5) =102a(6) =213a(7) =447a(8) =978a(9) =2083a(10) =4491a(11) =9650a(12) =20699a(13) =44495a(14) =95536a(15) =205215a(16) =440813a(17) =946758a(18) =2033611a(19) =4367943a(20) =9381882a(21) =20151431a(22) =43283105a(23) =92967858a(24) =199685543a(25) =428904271a(26) =921243300a(27) =1978737343