Number T(n,k) of (binary) heaps of length n whose element set equals [k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.
A373451
Number T(n,k) of (binary) heaps of length n whose element set equals [k]; triangle T(n,k), n>=0, 0<=k<=n, read by rows.
Terms
- a(0) =1a(1) =0a(2) =1a(3) =0a(4) =1a(5) =1a(6) =0a(7) =1a(8) =3a(9) =2a(10) =0a(11) =1a(12) =5a(13) =7a(14) =3a(15) =0a(16) =1a(17) =9a(18) =23a(19) =23a(20) =8a(21) =0a(22) =1a(23) =14a(24) =55a(25) =92a(26) =70a(27) =20a(28) =0a(29) =1
External references
- oeis: A373451