Number of maximal sum-free subsets of {1,2,...,n}.

Terms

a(0) =1a(1) =1a(2) =2a(3) =2a(4) =4a(5) =5a(6) =6a(7) =8a(8) =13a(9) =17a(10) =23a(11) =29a(12) =37a(13) =51a(14) =66a(15) =86a(16) =118a(17) =158a(18) =201a(19) =265a(20) =359a(21) =471a(22) =598a(23) =797a(24) =1043a(25) =1378a(26) =1765a(27) =2311a(28) =3064a(29) =3970