687456domain: NAppears in sequencesOrder of n-th stable homotopy group of spheres.at n=58A048648Triangular array read by rows: row n shows the coefficients of this polynomial of degree n: p(x,n) = 2^(n-1) ((x+r)^n - (x+s)^n)/(r - s), where r = 2 and s = 1/2.at n=40A327317Numbers k such that A380845(k) = 3*k.at n=24A380847