Number of partitions of n that are separable by the least part; see Comments.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =4a(5) =5a(6) =9a(7) =12a(8) =16a(9) =22a(10) =29a(11) =37a(12) =48a(13) =61a(14) =76a(15) =95a(16) =118a(17) =146a(18) =179a(19) =219a(20) =265a(21) =323a(22) =390a(23) =471a(24) =564a(25) =677a(26) =809a(27) =967a(28) =1148a(29) =1365