Numerator of Euler(n, 1/20).A156746Numerator of Euler(n, 1/20).Terms a(0) =1a(1) =-9a(2) =-19a(3) =1971a(4) =7961a(5) =-1580049a(6) =-9560059a(7) =2686469931a(8) =21670511921External referencesoeis: A156746