Hyper-Wiener index of a benzenoid consisting of a spiral chain of n hexagons (s=1; see the Gutman et al. reference).
A193392
Hyper-Wiener index of a benzenoid consisting of a spiral chain of n hexagons (s=1; see the Gutman et al. reference).
Terms
- a(0) =42a(1) =215a(2) =636a(3) =1401a(4) =2622a(5) =4427a(6) =6960a(7) =10381a(8) =14866a(9) =20607a(10) =27812a(11) =36705a(12) =47526a(13) =60531a(14) =75992a(15) =94197a(16) =115450a(17) =140071a(18) =168396a(19) =200777a(20) =237582a(21) =279195a(22) =326016a(23) =378461a(24) =436962a(25) =501967a(26) =573940a(27) =653361a(28) =740726a(29) =836547
External references
- oeis: A193392