Denominator of Euler(n, 1/7).

Terms

a(0) =1a(1) =14a(2) =49a(3) =1372a(4) =2401a(5) =33614a(6) =117649a(7) =6588344a(8) =5764801a(9) =80707214a(10) =282475249a(11) =7909306972a(12) =13841287201a(13) =193778020814a(14) =678223072849