Number of defective (binary) heaps on n elements where seven ancestor-successor pairs do not have the correct order.

A324068

Number of defective (binary) heaps on n elements where seven ancestor-successor pairs do not have the correct order.

Terms

    a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =0a(6) =60a(7) =640a(8) =5040a(9) =39424a(10) =315840a(11) =2572800a(12) =22730400a(13) =207820800a(14) =1979577600a(15) =20119756800a(16) =180756576000

External references