Total Wiener index of double-star trees with n nodes.

Terms

a(0) =10a(1) =18a(2) =57a(3) =82a(4) =169a(5) =220a(6) =374a(7) =460a(8) =700a(9) =830a(10) =1175a(11) =1358a(12) =1827a(13) =2072a(14) =2684a(15) =3000a(16) =3774a(17) =4170a(18) =5125a(19) =5610a(20) =6765a(21) =7348a(22) =8722a(23) =9412a(24) =11024a(25) =11830a(26) =13699a(27) =14630a(28) =16775a(29) =17840