441083domain: NAppears in sequencesa(n) = A002861(n) + A000081(n).at n=14A124682T(n,m) is the numerator of the resistance between two diametrically opposite nodes of a rectangular electric network of n*m quadratic cells in which all edges are replaced by one-ohm resistors, where T(n,m) is a triangle read by rows.at n=35A357113