Number of (binary) heaps of length n-k whose element set equals [k], where k is chosen so as to maximize this number.

A373897

Number of (binary) heaps of length n-k whose element set equals [k], where k is chosen so as to maximize this number.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =3a(6) =5a(7) =9a(8) =23a(9) =55a(10) =147a(11) =386a(12) =1004a(13) =3128a(14) =8113a(15) =27456a(16) =111574a(17) =321433a(18) =1150885a(19) =4888981a(20) =17841912a(21) =80566518a(22) =332583340a(23) =1188065665a(24) =5473922425a(25) =21725492503a(26) =99894124075a(27) =548452369329

External references