Number of P_4-reducible perfect graphs on n nodes.

A123440

Number of P_4-reducible perfect graphs on n nodes.

Terms

    a(0) =1a(1) =2a(2) =4a(3) =11a(4) =27a(5) =76a(6) =212a(7) =631a(8) =1893a(9) =5846

External references