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

1,1

Links

Table of n, a(n) for n=1..45.

Example

See A357115.

Crossrefs

A357115 are the corresponding numerators.

Cf. A001835, A001353 (first row of array).

Sequence in context: A344938 A261711 A128235 * A024547 A328839 A143899

Adjacent sequences: A357113 A357114 A357115 * A357117 A357118 A357119

Keyword

nonn,frac,tabl

Author

Hugo Pfoertner, Sep 15 2022

Status

approved