Wiener index of the n X n rook complement graph.

Terms

a(0) =0a(1) =10a(2) =54a(3) =168a(4) =400a(5) =810a(6) =1470a(7) =2464a(8) =3888a(9) =5850a(10) =8470a(11) =11880a(12) =16224a(13) =21658a(14) =28350a(15) =36480a(16) =46240a(17) =57834a(18) =71478a(19) =87400a(20) =105840a(21) =127050a(22) =151294a(23) =178848a(24) =210000a(25) =245050a(26) =284310a(27) =328104a(28) =376768a(29) =430650