Number of defective (binary) heaps on n elements with exactly one defect.

A323957

Number of defective (binary) heaps on n elements with exactly one defect.

Terms

    a(0) =0a(1) =1a(2) =2a(3) =9a(4) =28a(5) =90a(6) =360a(7) =1526a(8) =7616a(9) =32460a(10) =190800a(11) =947760a(12) =6382464a(13) =37065600a(14) =296524800a(15) =1812861600a(16) =15283107840a(17) =105015593280

External references