Number of symmetry classes of 3 X 3 magilatin squares with positive values < n.

Terms

a(0) =1a(1) =4a(2) =10a(3) =24a(4) =53a(5) =106a(6) =191a(7) =328a(8) =528a(9) =822a(10) =1230a(11) =1794a(12) =2542a(13) =3534a(14) =4802a(15) =6428a(16) =8460a(17) =10996a(18) =14087a(19) =17870a(20) =22405a(21) =27850a(22) =34286a(23) =41896a(24) =50773a(25) =61148a(26) =73116a(27) =86942a(28) =102751a(29) =120840