894619domain: NAppears in sequencesNumbers in base 10 that are palindromic in bases 8 and 9.at n=19A099146a(n+5) = a(n+3) + a(n+2) + a(n), with a(1) = a(2) = a(3) = a(4) = a(5) = 1.at n=41A176513