Number of partitions of n with up to n distinct kinds of 1.

Terms

a(0) =1a(1) =1a(2) =2a(3) =5a(4) =13a(5) =33a(6) =82a(7) =201a(8) =488a(9) =1176a(10) =2817a(11) =6714a(12) =15931a(13) =37647a(14) =88628a(15) =207914a(16) =486158a(17) =1133304a(18) =2634339a(19) =6106953a(20) =14121157a(21) =32573842a(22) =74968044a(23) =172164086a(24) =394561089a(25) =902471184a(26) =2060338222a(27) =4695324425a(28) =10681885697a(29) =24261437446