3rd Euler polynomial evaluated at x=n! (multiplied by 4).

A020548

3rd Euler polynomial evaluated at x=n! (multiplied by 4).

Terms

    a(0) =-1a(1) =-1a(2) =9a(3) =649a(4) =51841a(5) =6825601a(6) =1489881601a(7) =511943846401

External references