Plane partitions into odd parts.

Terms

a(0) =1a(1) =1a(2) =2a(3) =4a(4) =7a(5) =11a(6) =20a(7) =30a(8) =50a(9) =75a(10) =121a(11) =176a(12) =276a(13) =398a(14) =604a(15) =864a(16) =1285a(17) =1814a(18) =2652a(19) =3713a(20) =5339a(21) =7417a(22) =10526a(23) =14500a(24) =20349a(25) =27836a(26) =38653a(27) =52528a(28) =72291a(29) =97612