Molecular topological indices of the n X n grid graphs.

Terms

a(0) =48a(1) =440a(2) =2008a(3) =6468a(4) =16736a(5) =37248a(6) =74280a(7) =136268a(8) =234128a(9) =381576a(10) =595448a(11) =896020a(12) =1307328a(13) =1857488a(14) =2579016a(15) =3509148a(16) =4690160a(17) =6169688a(18) =8001048a(19) =10243556a(20) =12962848a(21) =16231200a(22) =20127848a(23) =24739308a(24) =30159696a(25) =36491048a(26) =43843640a(27) =52336308a(28) =62096768