Molecular topological indices of the graph join C_n + C_n of cycle graphs.

Terms

a(0) =12a(1) =96a(2) =300a(3) =672a(4) =1260a(5) =2112a(6) =3276a(7) =4800a(8) =6732a(9) =9120a(10) =12012a(11) =15456a(12) =19500a(13) =24192a(14) =29580a(15) =35712a(16) =42636a(17) =50400a(18) =59052a(19) =68640a(20) =79212a(21) =90816a(22) =103500a(23) =117312a(24) =132300a(25) =148512a(26) =165996a(27) =184800a(28) =204972a(29) =226560