Numerator of Euler(n, 7/27).A157160Numerator of Euler(n, 7/27).Terms a(0) =1a(1) =-13a(2) =-140a(3) =13117a(4) =121660a(5) =-9817093a(6) =-268814420a(7) =121991670749External referencesoeis: A157160