Number of integer partitions of 2*n having exactly 2*n submultisets.

Terms

a(0) =0a(1) =1a(2) =1a(3) =1a(4) =3a(5) =1a(6) =10a(7) =1a(8) =21a(9) =12a(10) =15a(11) =1a(12) =121a(13) =1a(14) =20a(15) =37a(16) =309a(17) =1a(18) =319a(19) =1a(20) =309a(21) =47a(22) =33a(23) =1a(24) =3435a(25) =30a(26) =38a(27) =405a(28) =593a(29) =1