Number of (binary) heaps of length n whose element set equals [k] (for some k <= n).
A373452
Number of (binary) heaps of length n whose element set equals [k] (for some k <= n).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =6a(4) =16a(5) =64a(6) =252a(7) =1460a(8) =6256a(9) =39760a(10) =230056a(11) =1920152a(12) =12154416a(13) =113087888a(14) =916563592a(15) =10586707896a(16) =80444848064a(17) =898922718272
External references
- oeis: A373452