Number of square plane partitions of n with distinct row sums and distinct column sums.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =2a(7) =5a(8) =5a(9) =10a(10) =11a(11) =18a(12) =21a(13) =31a(14) =37a(15) =56a(16) =70a(17) =97a(18) =134a(19) =180a(20) =247a(21) =343a(22) =462a(23) =623a(24) =850a(25) =1128a(26) =1509a(27) =2004a(28) =2649a(29) =3467