Find the terms missing from these sequences:
1, 4, 7, 10, __  12, __ __ 78, __  
5, __ 11, __ 17  19, __ __ __ 51  
1, __ 23, __ __  28, __ __ 26, __  
1, __ __ 7, __  24, __ __ 81, __  
18, __ __ 27, __  20, __ __ 5, __ 
Topics: Starter  Number  Puzzles  Sequences
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What would the n^{th} term of each of these sequences be?
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