Getting Ready for the Next Section

  1. 133. 4, 4, 4, 4

  2. 135. 5,5,5,5

  3. 137. a2=7, a3=11, a4=15, a5=19

  4. 139. a2=4, a3=1, a4=2, a5=5

  5. 141. 3, 3, 3, 3

  6. 143. 2,2,2,2

  7. 145. an+1=2n3, an1=2n7

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