Wiener index of a benzenoid consisting of a zig-zag chain of n hexagons (s=13; see the Gutman et al. reference).
A193393
Wiener index of a benzenoid consisting of a zig-zag chain of n hexagons (s=13; see the Gutman et al. reference).
Terms
- a(0) =27a(1) =109a(2) =271a(3) =545a(4) =963a(5) =1557a(6) =2359a(7) =3401a(8) =4715a(9) =6333a(10) =8287a(11) =10609a(12) =13331a(13) =16485a(14) =20103a(15) =24217a(16) =28859a(17) =34061a(18) =39855a(19) =46273a(20) =53347a(21) =61109a(22) =69591a(23) =78825a(24) =88843a(25) =99677a(26) =111359a(27) =123921a(28) =137395a(29) =151813
External references
- oeis: A193393