The Wiener index of a link of n fullerenes C_{20} (see the Ghorbani and Hosseinzadeh reference).

Terms

a(0) =500a(1) =3400a(2) =9900a(3) =21200a(4) =38500a(5) =63000a(6) =95900a(7) =138400a(8) =191700a(9) =257000a(10) =335500a(11) =428400a(12) =536900a(13) =662200a(14) =805500a(15) =968000a(16) =1150900a(17) =1355400a(18) =1582700a(19) =1834000a(20) =2110500a(21) =2413400a(22) =2743900a(23) =3103200a(24) =3492500a(25) =3913000a(26) =4365900a(27) =4852400a(28) =5373700a(29) =5931000