Number of defective (binary) heaps on n elements with floor(n/2) defects.

A306356

Number of defective (binary) heaps on n elements with floor(n/2) defects.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =2a(4) =9a(5) =48a(6) =250a(7) =1760a(8) =12502a(9) =111776a(10) =1017060a(11) =11165280a(12) =123760560a(13) =1602344832a(14) =21025461600a(15) =314958758400

External references