81186domain: NAppears in sequencesExpansion of (1-x)/(1-x-x^2-x^3+x^4).at n=23A052527Numbers k such that k and k^2 use only the digits 1, 5, 6, 8 and 9.at n=7A137062Lower Wythoff values for sequence A185615(n).at n=30A185616a(n) = 159*2^n - 222 (n>=1).at n=8A304515G.f. satisfies: A(x) = 1 + x*A(x) * ( d/dx x*A(x)^4 ).at n=5A317354