Number of integer partitions of n whose number of submultisets is less than or equal to n.

Terms

a(0) =0a(1) =0a(2) =1a(3) =1a(4) =3a(5) =3a(6) =6a(7) =7a(8) =12a(9) =14a(10) =21a(11) =21a(12) =37a(13) =43a(14) =51a(15) =56a(16) =90a(17) =98a(18) =130a(19) =143a(20) =180a(21) =200a(22) =230a(23) =249a(24) =403a(25) =454a(26) =508a(27) =555a(28) =657a(29) =706