Number of maximal independent vertex sets and minimal vertex covers in the n-trapezohedral graph.

Terms

a(0) =3a(1) =3a(2) =6a(3) =11a(4) =18a(5) =30a(6) =52a(7) =91a(8) =159a(9) =278a(10) =487a(11) =854a(12) =1498a(13) =2628a(14) =4611a(15) =8091a(16) =14198a(17) =24915a(18) =43722a(19) =76726a(20) =134644a(21) =236283a(22) =414647a(23) =727654a(24) =1276943a(25) =2240878a(26) =3932466a(27) =6900996a(28) =12110403a(29) =21252275