54505domain: NAppears in sequencesBinomial transform of A027826.at n=10A152226G.f. satisfies: A(x) = Sum_{n>=0} x^n*[Sum_{k=0..n} C(n,k)^3 *x^k* A(x)^(3k)].at n=8A187001Number of cyclotomic cosets of 7 mod 10^n.at n=27A220019