Number of noncrossing connected graphs on n nodes on a circle having no four-sided faces.
A045744
Number of noncrossing connected graphs on n nodes on a circle having no four-sided faces.
Terms
- a(0) =1a(1) =4a(2) =22a(3) =141a(4) =988a(5) =7337a(6) =56749a(7) =452332a(8) =3689697a(9) =30652931a(10) =258465558a(11) =2206330790a(12) =19029531220a(13) =165582392070
External references
- oeis: A045744