119225domain: NAppears in sequencesNumbers n such that there is no other number k for which A155043(k) = A155043(n).at n=4A262509Parent nodes of nonzero terms of A262509: a(n) = A049820(A262509(n)).at n=4A262510E.g.f. satisfies: A(x - Integral 4*A(x) dx) = x + Integral A(x) dx.at n=4A280575