Number of ordered quadruples (w, x, y, z) with gcd(w, x, y, z) = 1 and 1 <= {w, x, y, z} <= 2^n.
A343527
Number of ordered quadruples (w, x, y, z) with gcd(w, x, y, z) = 1 and 1 <= {w, x, y, z} <= 2^n.
Terms
- a(0) =1a(1) =15a(2) =239a(3) =3823a(4) =60735a(5) =972191a(6) =15517679a(7) =248252879a(8) =3969108895a(9) =63506982943
External references
- oeis: A343527