The number of maximal subsemigroups of the Jones monoid on the set [1..n].

Terms

a(0) =1a(1) =2a(2) =5a(3) =9a(4) =13a(5) =19a(6) =27a(7) =39a(8) =57a(9) =85a(10) =129a(11) =199a(12) =311a(13) =491a(14) =781a(15) =1249a(16) =2005a(17) =3227a(18) =5203a(19) =8399a(20) =13569a(21) =21933a(22) =35465a(23) =57359a(24) =92783a(25) =150099a(26) =242837a(27) =392889a(28) =635677a(29) =1028515