Number of maximal product-free subsets of {1..n}.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =2a(6) =3a(7) =3a(8) =3a(9) =4a(10) =6a(11) =6a(12) =9a(13) =9a(14) =15a(15) =17a(16) =30a(17) =30a(18) =46a(19) =46a(20) =51a(21) =61a(22) =103a(23) =103a(24) =129a(25) =158a(26) =282a(27) =282a(28) =322a(29) =322