A357116 T(n,m) is the denominator of the resistance between two nodes located at the end of a side of length n of a rectangular electric network of n*m quadratic meshes in which all edges are replaced by one-ohm resistors, where T(n,m) is a square array read by descending antidiagonals.
4, 15, 3, 56, 4, 7, 209, 21, 161, 11, 780, 55, 112, 95, 52, 2911, 72, 6603, 781, 495, 41, 10864, 377, 15617, 132, 70616, 91, 97, 40545, 987, 2412353, 7315, 352583, 31529, 24769, 153, 151316, 1292, 831712, 413351, 51480, 817991, 360161, 7412, 724
Offset: 1
Examples
See A357115.