Hyper-Wiener index in diamond nanowires obtained by connecting n unit cells in a sequence.

Terms

a(0) =448a(1) =3544a(2) =14294a(3) =40420a(4) =92348a(5) =183208a(6) =328834a(7) =547764a(8) =861240a(9) =1293208a(10) =1870318a(11) =2621924a(12) =3580084a(13) =4779560a(14) =6257818a(15) =8055028a(16) =10214064a(17) =12780504a(18) =15802630a(19) =19331428a(20) =23420588a(21) =28126504a(22) =33508274a(23) =39627700a(24) =46549288a(25) =54340248a(26) =63070494a(27) =72812644