The hyper-Wiener index of a benzenoid consisting of a straight-line chain of n hexagons (s=2; see the Gutman et al. reference).

A193390

The hyper-Wiener index of a benzenoid consisting of a straight-line chain of n hexagons (s=2; see the Gutman et al. reference).

Terms

    a(0) =42a(1) =215a(2) =680a(3) =1661a(4) =3446a(5) =6387a(6) =10900a(7) =17465a(8) =26626a(9) =38991a(10) =55232a(11) =76085a(12) =102350a(13) =134891a(14) =174636a(15) =222577a(16) =279770a(17) =347335a(18) =426456a(19) =518381a(20) =624422a(21) =745955a(22) =884420a(23) =1041321a(24) =1218226a(25) =1416767a(26) =1638640a(27) =1885605a(28) =2159486a(29) =2462171

External references