Number of partitions of n into distinct parts from [1, 20].

Terms

a(0) =1a(1) =1a(2) =1a(3) =2a(4) =2a(5) =3a(6) =4a(7) =5a(8) =6a(9) =8a(10) =10a(11) =12a(12) =15a(13) =18a(14) =22a(15) =27a(16) =32a(17) =38a(18) =46a(19) =54a(20) =64a(21) =75a(22) =87a(23) =101a(24) =117a(25) =135a(26) =155a(27) =178a(28) =203a(29) =231