Number of inseparable partitions of n; see Comments.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =2a(5) =2a(6) =5a(7) =5a(8) =8a(9) =11a(10) =16a(11) =19a(12) =28a(13) =35a(14) =48a(15) =60a(16) =79a(17) =99a(18) =131a(19) =161a(20) =205a(21) =256a(22) =324a(23) =397a(24) =498a(25) =609a(26) =755a(27) =921a(28) =1131a(29) =1372