Number of defective (binary) heaps on n elements with exactly four defects.

A323960

Number of defective (binary) heaps on n elements with exactly four defects.

Terms

    a(0) =0a(1) =8a(2) =90a(3) =1200a(4) =12502a(5) =111776a(6) =1017060a(7) =8762880a(8) =77887920a(9) =705522048a(10) =6268548000a(11) =60169824000a(12) =543692724960

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