Number of independent vertex sets and vertex covers in the n-web graph.

A287485

Number of independent vertex sets and vertex covers in the n-web graph.

Terms

    a(0) =2a(1) =20a(2) =68a(3) =304a(4) =1232a(5) =5168a(6) =21408a(7) =89088a(8) =370112a(9) =1538560a(10) =6394368a(11) =26577664a(12) =110464512a(13) =459127808a(14) =1908282368a(15) =7931445248a(16) =32965660672a(17) =137016012800a(18) =569483091968

External references