Number of finite sets of positive integers whose right half (inclusive) sums to n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =3a(4) =4a(5) =6a(6) =7a(7) =11a(8) =12a(9) =19a(10) =20a(11) =31a(12) =33a(13) =49a(14) =51a(15) =77a(16) =79a(17) =112a(18) =124a(19) =165a(20) =177a(21) =247a(22) =260a(23) =340a(24) =388a(25) =480a(26) =533a(27) =693a(28) =747a(29) =925