Number of graphs with n nodes that are chordal and are K_4 free.
A243788
Number of graphs with n nodes that are chordal and are K_4 free.
Terms
- a(0) =1a(1) =1a(2) =2a(3) =4a(4) =11a(5) =35a(6) =124a(7) =500a(8) =2224a(9) =10640a(10) =53920a(11) =285535a(12) =1563849a(13) =8798306
External references
- oeis: A243788