Triangle read by rows: T(n,k) is the Wiener index of a k x n grid, (i.e. P_k x P_n, where P_m is the path graph on m vertices; 1<=k<=n).
0, 1, 8, 4, 25, 72, 10, 56, 154, 320, 20, 105, 280, 570, 1000, 35, 176, 459, 920, 1595
2 seqfan posts
Sun Jan 22 13:24:52 CET 2012 [seqfan] Re: Wiener index of n X k grid