147193domain: NAppears in sequencesPowers of fifth root of 17 rounded up.at n=21A018164a(n) = (3*n^2 + 3*n + 1)*a(n-2), for n>2, with a(0) = a(1) = 1.at n=6A123028Expansion of (1/x) * Series_Reversion( x * (1-x)^2 / (1+x^3) ).at n=8A369265