Numerator of Euler(n,11).

Terms

a(0) =1a(1) =21a(2) =110a(3) =4599a(4) =11990a(5) =249501a(6) =1295030a(7) =107308383a(8) =138627830a(9) =2859244731a(10) =14712346550a(11) =604396290309