86277domain: NAppears in sequencesNumbers containing only 1's and 0's in their base-2, base-3, and base-4 representations.at n=28A258981G.f. A(x) satisfies: 1 = Sum_{n>=0} x^n * ((1+x)^n - A(x))^n, where A(0) = 1.at n=11A325577