Asked by Anonymous

Describe the pattern each sequence manifests.
-1,-3,-5,...___________
2,1,0,...________________
-1,2,3,...___________
-5,-2,1,4,...__________
-1,2,7,...________
3,8,15,..._________

Answers

Answered by oobleck
keep adding -2 each time. a_n = -(2n-1)
The next three are just the same idea.
The last one is a bit different. Note that each term is one less than a power of 2.
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