Wiener index of a benzenoid consisting of a double-step zig-zag chain of n hexagons (n >= 2, s = 2123; see the Gutman et al. reference).

A193395

Wiener index of a benzenoid consisting of a double-step zig-zag chain of n hexagons (n >= 2, s = 2123; see the Gutman et al. reference).

Terms

    a(0) =109a(1) =271a(2) =553a(3) =971a(4) =1573a(5) =2375a(6) =3425a(7) =4739a(8) =6365a(9) =8319a(10) =10649a(11) =13371a(12) =16533a(13) =20151a(14) =24273a(15) =28915a(16) =34125a(17) =39919a(18) =46345a(19) =53419a(20) =61189a(21) =69671a(22) =78913a(23) =88931a(24) =99773a(25) =111455a(26) =124025a(27) =137499a(28) =151925a(29) =167319

External references