Number of partitions of n such that some part is a sum of two or more other parts.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =1a(5) =1a(6) =4a(7) =4a(8) =10a(9) =13a(10) =23a(11) =27a(12) =49a(13) =60a(14) =93a(15) =115a(16) =170a(17) =210a(18) =300a(19) =370a(20) =510a(21) =632a(22) =846a(23) =1031a(24) =1359a(25) =1670a(26) =2159a(27) =2630a(28) =3355a(29) =4082