132444domain: NAppears in sequencesa(n) = 196*n^2 - 2*n.at n=25A158224A triangle related to the a(n) formulas of the rows of the ED3 array A167572.at n=25A167580The fifth left hand column of triangle A167580.at n=2A168306Numbers m such that the GCD of the x's that satisfy sigma(x) = m is 5.at n=4A241650