Maths, Physics Revision Physicss Maths Physics Physics A Level Physics Home Maths Maths Revision hut Sequences Look at this sequence   Sequence                  1,   3,   5,   7,   9  .........? Pattern number (n)      1,   2,   3,   4,   5 ...........n The numbers in the sequence are twice the pattern number less 1  So the nth number is 2n - 1 Try a test top