1 3 5 9 15 July 8, 2019 16 32 64 128 1 3 5 9 15 and 45 1 3 5 9 15 sequence 1 15 x )* 3 8 9 5 1 5 3 2d 15 )= 9 10d 1 5 3 2 d 15 9 10 d 1/5 ( 3/2d-15= 9/10d) The possible rational roots are 1 3 5 9 15 and 45 Asphalt 9 error 1 3 5 15 15 1 3 minus 11 5 9 1 3 3m 9 )- 2 5 5m 15 3 x 1 )+ 25 5 9 x 15