The Wiener index of the comb-shaped graph |_|_|...|_| with 2n (n>=1) nodes. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices in the graph.
A192023
The Wiener index of the comb-shaped graph |_|_|...|_| with 2n (n>=1) nodes. The Wiener index of a connected graph is the sum of the distances between all unordered pairs of vertices in the graph.
Terms
- a(0) =1a(1) =10a(2) =31a(3) =68a(4) =125a(5) =206a(6) =315a(7) =456a(8) =633a(9) =850a(10) =1111a(11) =1420a(12) =1781a(13) =2198a(14) =2675a(15) =3216a(16) =3825a(17) =4506a(18) =5263a(19) =6100a(20) =7021a(21) =8030a(22) =9131a(23) =10328a(24) =11625a(25) =13026a(26) =14535a(27) =16156a(28) =17893a(29) =19750
External references
- oeis: A192023