3705077376domain: NAppears in sequencesIntegers equal to ((sqrt(A177926(k)/400)/4)/600)/36 for some k.at n=1A178056T(n, k) = (m*n)!/(k!*(n-k)!)^m with m = 3; triangle read by rows, 0 <= k <= n.at n=22A320824T(n, k) = (m*n)!/(k!*(n-k)!)^m with m = 3; triangle read by rows, 0 <= k <= n.at n=26A320824