Number of 3 X 3 magilatin squares with positive values and magic sum n.

Terms

a(0) =12a(1) =12a(2) =24a(3) =72a(4) =156a(5) =240a(6) =552a(7) =600a(8) =1020a(9) =1548a(10) =2004a(11) =2568a(12) =4008a(13) =4644a(14) =6264a(15) =8136a(16) =10152a(17) =12168a(18) =16284a(19) =18372a(20) =22992a(21) =27972a(22) =32736a(23) =37896a(24) =47352a(25) =52332a(26) =62004a(27) =72288a(28) =82572a(29) =93108