Numerator of Euler(n, 1/7).

Terms

a(0) =1a(1) =-5a(2) =-6a(3) =305a(4) =330a(5) =-15125a(6) =-48726a(7) =12612265a(8) =13534410a(9) =-1127063075a(10) =-6046913046