Number of partitions of n into "number of partitions of n into partition numbers" numbers.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =6a(5) =10a(6) =12a(7) =18a(8) =22a(9) =30a(10) =37a(11) =50a(12) =59a(13) =78a(14) =93a(15) =118a(16) =140a(17) =176a(18) =206a(19) =255a(20) =297a(21) =362a(22) =421a(23) =507a(24) =585a(25) =699a(26) =803a(27) =949a(28) =1088a(29) =1276