82301184domain: NAppears in sequencesA062401(x)=phi[sigma(x)] function is iterated; initial value=2^n; a(n)=smallest term of trajectory.at n=26A097000a(n) = (n^3 - n^2)*6^n.at n=6A128989Triangle read by rows: terms of a binomial decomposition of 1 as Sum(k=0..n)T(n,k).at n=52A244117