143750domain: NAppears in sequencesA convolution triangle of numbers obtained from A034687.at n=32A049375a(n) = 5^n*(n^2 - n + 50)/50.at n=7A081911Hypotenuses for which there exist exactly 5 distinct Pythagorean triangles.at n=28A084649Binomial transform of [1, 4, 6, 4, 1, 1, -1, 1, -1, 1, ...].at n=36A140227