-524287domain: ZAppears in sequencesExpansion of 1/((1 - 2*x + 2*x^2)*(1-x)).at n=37A077860Even-indexed terms of the binomial transform equal 1 and the odd-indexed terms of the second binomial transform equal 1.at n=19A090145a(n) = A128018(n) + 1.at n=19A157240