Wiener index of the n X n king graph.

Terms

a(0) =0a(1) =6a(2) =52a(3) =228a(4) =708a(5) =1778a(6) =3864a(7) =7560a(8) =13656a(9) =23166a(10) =37356a(11) =57772a(12) =86268a(13) =125034a(14) =176624a(15) =243984a(16) =330480a(17) =439926a(18) =576612a(19) =745332a(20) =951412a(21) =1200738a(22) =1499784a(23) =1855640a(24) =2276040a(25) =2769390a(26) =3344796a(27) =4012092a(28) =4781868a(29) =5665498