83465domain: NAppears in sequencesa(0)=1, a(1)=3, a(n) = floor((Pi + 1/Pi)*a(n-1) - a(n-2)).at n=10A085839a(1) = floor(Pi) = 3; a(n+1) = floor(a(n)*Pi).at n=9A115239a(0) = 1, a(n) = floor(a(n - 1)*Pi).at n=10A134915