Number of Hamiltonian paths in the n-Cameron graph.

Terms

a(0) =2a(1) =106a(2) =614a(3) =2658a(4) =10406a(5) =39298a(6) =146618a(7) =544858a(8) =2022242a(9) =7502602a(10) =27831590a(11) =103240050a(12) =382960198a(13) =1420553730a(14) =5269401338a(15) =19546309418a(16) =72505044994a(17) =268950077226a(18) =997642902822