Number of defective (binary) heaps on n elements with exactly three defects.
A323959
Number of defective (binary) heaps on n elements with exactly three defects.
Terms
- a(0) =0a(1) =3a(2) =28a(3) =250a(4) =1760a(5) =12502a(6) =82880a(7) =576060a(8) =4200960a(9) =29987760a(10) =239978112a(11) =1744142400a(12) =15361632000a(13) =119854864800
External references
- oeis: A323959