Number of distinct hook length sets of partitions of n.

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =3a(5) =4a(6) =6a(7) =7a(8) =11a(9) =14a(10) =19a(11) =23a(12) =35a(13) =39a(14) =54a(15) =66a(16) =91a(17) =104a(18) =142a(19) =165a(20) =214a(21) =257a(22) =328a(23) =378a(24) =496a(25) =571a(26) =720a(27) =848a(28) =1061a(29) =1215