Numerator of Euler(n, 9/20).A156757Numerator of Euler(n, 9/20).Terms a(0) =1a(1) =-1a(2) =-99a(3) =299a(4) =49401a(5) =-249001a(6) =-60251499a(7) =425252099a(8) =136795497201External referencesoeis: A156757