The Wiener index of the ortho-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references).

A216108

The Wiener index of the ortho-polyphenyl chain with n hexagons (see the Dou et al. and the Deng references).

Terms

    a(0) =27a(1) =198a(2) =585a(3) =1260a(4) =2295a(5) =3762a(6) =5733a(7) =8280a(8) =11475a(9) =15390a(10) =20097a(11) =25668a(12) =32175a(13) =39690a(14) =48285a(15) =58032a(16) =69003a(17) =81270a(18) =94905a(19) =109980a(20) =126567a(21) =144738a(22) =164565a(23) =186120a(24) =209475a(25) =234702a(26) =261873a(27) =291060a(28) =322335a(29) =355770

External references