Number of defective (binary) heaps on n elements where five ancestor-successor pairs do not have the correct order.
A324066
Number of defective (binary) heaps on n elements where five ancestor-successor pairs do not have the correct order.
Terms
- a(0) =0a(1) =0a(2) =0a(3) =0a(4) =0a(5) =16a(6) =120a(7) =720a(8) =4830a(9) =31360a(10) =211680a(11) =1555200a(12) =11880000a(13) =95293440a(14) =815443200a(15) =7687680000a(16) =60432372000a(17) =530552422400
External references
- oeis: A324066