Number of partitions of n such that (number of distinct parts) >= least part.

Terms

a(0) =0a(1) =1a(2) =1a(3) =2a(4) =3a(5) =6a(6) =8a(7) =13a(8) =18a(9) =26a(10) =36a(11) =50a(12) =68a(13) =92a(14) =123a(15) =162a(16) =214a(17) =279a(18) =360a(19) =464a(20) =595a(21) =754a(22) =959a(23) =1206a(24) =1513a(25) =1893a(26) =2358a(27) =2918a(28) =3615a(29) =4451