Number of 3 X 3 semimagic squares with distinct positive values < n. In a semimagic squares the row and column sums must all be equal (the "magic sum").

A173546

Number of 3 X 3 semimagic squares with distinct positive values < n. In a semimagic squares the row and column sums must all be equal (the "magic sum").

Terms

    a(0) =72a(1) =288a(2) =936a(3) =2592a(4) =5760a(5) =11520a(6) =20952a(7) =35712a(8) =57168a(9) =88272a(10) =131112a(11) =189504a(12) =265752a(13) =365760a(14) =492480a(15) =653040a(16) =851472a(17) =1096416a(18) =1392768a(19) =1751904a(20) =2178864a(21) =2687184a(22) =3283632a(23) =3983760a(24) =4794984a(25) =5736528a(26) =6816456a(27) =8056224a(28) =9466128

External references