Number of partitions of 2n into distinct parts < n.

Terms

a(0) =1a(1) =0a(2) =0a(3) =0a(4) =0a(5) =1a(6) =2a(7) =4a(8) =8a(9) =14a(10) =22a(11) =35a(12) =53a(13) =78a(14) =113a(15) =160a(16) =222a(17) =306a(18) =416a(19) =558a(20) =743a(21) =980a(22) =1281a(23) =1665a(24) =2149a(25) =2755a(26) =3514a(27) =4458a(28) =5626a(29) =7070