Bidendriforms (see Foissy and Patras for precise definition).
A217938
Bidendriforms (see Foissy and Patras for precise definition).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =10a(4) =70a(5) =550a(6) =4730a(7) =44378a(8) =45646
External references
- oeis: A217938