Number of (binary) max-heaps on n elements from the set {0,1} containing exactly seven 0's.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =10a(5) =18a(6) =32a(7) =54a(8) =94a(9) =140a(10) =222a(11) =329a(12) =532a(13) =708a(14) =1060a(15) =1432a(16) =2175a(17) =2691a(18) =3878a(19) =4905a(20) =7110a(21) =8398a(22) =11740a(23) =14150a(24) =19788a(25) =22622a(26) =30826a(27) =35845a(28) =48712a(29) =54376