Number of special sums of integer partitions of n.

Terms

a(0) =1a(1) =2a(2) =5a(3) =10a(4) =18a(5) =32a(6) =51a(7) =82a(8) =122a(9) =188a(10) =262a(11) =392a(12) =529a(13) =750a(14) =997a(15) =1404a(16) =1784a(17) =2452a(18) =3123a(19) =4164a(20) =5239a(21) =6916a(22) =8499a(23) =11112a(24) =13693a(25) =17482a(26) =21257a(27) =27162a(28) =32581a(29) =41114