Numerator of Euler(n, 15/31).A157766Numerator of Euler(n, 15/31).Terms a(0) =1a(1) =-1a(2) =-240a(3) =1441a(4) =288240a(5) =-1442401a(6) =-844819920a(7) =23675154737External referencesoeis: A157766