Wiener index of the n X n white bishop graph.

Terms

a(0) =1a(1) =8a(2) =42a(3) =104a(4) =251a(5) =464a(6) =852a(7) =1360a(8) =2165a(9) =3160a(10) =4606a(11) =6328a(12) =8687a(13) =11424a(14) =15016a(15) =19104a(16) =24297a(17) =30120a(18) =37330a(19) =45320a(20) =55011a(21) =65648a(22) =78332a(23) =92144a(24) =108381a(25) =125944a(26) =146342a(27) =168280a(28) =193495a(29) =220480