Number of partitions of n with exactly two part sizes.

Terms

a(0) =0a(1) =0a(2) =1a(3) =2a(4) =5a(5) =6a(6) =11a(7) =13a(8) =17a(9) =22a(10) =27a(11) =29a(12) =37a(13) =44a(14) =44a(15) =55a(16) =59a(17) =68a(18) =71a(19) =81a(20) =82a(21) =102a(22) =97a(23) =112a(24) =109a(25) =136a(26) =126a(27) =149a(28) =141a(29) =168