Number of connected labeled chordal graphs on n nodes with no induced path P_4; also the number of labeled trees with each vertex replaced by a clique.

A058863

Number of connected labeled chordal graphs on n nodes with no induced path P_4; also the number of labeled trees with each vertex replaced by a clique.

Terms

    a(0) =1a(1) =1a(2) =4a(3) =23a(4) =181a(5) =1812a(6) =22037a(7) =315569a(8) =5201602a(9) =97009833a(10) =2019669961a(11) =46432870222

External references