Number of defective (binary) heaps on n elements from the set {0,1} where exactly n ancestor-successor pairs do not have the correct order.

A372641

Number of defective (binary) heaps on n elements from the set {0,1} where exactly n ancestor-successor pairs do not have the correct order.

Terms

    a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =2a(8) =9a(9) =11a(10) =36a(11) =71a(12) =151a(13) =306a(14) =591a(15) =1228a(16) =2469a(17) =4966a(18) =10025a(19) =19591a(20) =38946a(21) =75977a(22) =148585a(23) =291027a(24) =579981a(25) =1152385a(26) =2280696a(27) =4470814a(28) =8817933a(29) =17244969

External references