Number of integer partitions of n having a unique part of least multiplicity.

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =4a(5) =5a(6) =7a(7) =10a(8) =13a(9) =16a(10) =23a(11) =30a(12) =35a(13) =50a(14) =61a(15) =73a(16) =95a(17) =123a(18) =139a(19) =187a(20) =216a(21) =269a(22) =328a(23) =411a(24) =461a(25) =594a(26) =688a(27) =836a(28) =980a(29) =1211