Number of C4-free graphs (graphs with no induced cycle of length four) with n nodes.

A352068

Number of C4-free graphs (graphs with no induced cycle of length four) with n nodes.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =10a(4) =28a(5) =100a(6) =441a(7) =2574a(8) =19849a(9) =201682a(10) =2647682a(11) =43930398a(12) =902341498

External references