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These problems deal with sequences of numbers. Can you spot what the sequences' rules are?
Difficulty: 3 of 5 Latest: Deja vu Rating: 5.00
A sequence
142,725,631,254,665,682,354,316,...
is created according to a certain algorithm, for you to discover.

Following your findings, please:
1. Evaluate a9
2. Find the smallest n for which an=an+1

(No Solution Yet, 2 Comments) Submitted on 2020-05-25 by Ady TZIDON   
Page 2 of 26   << prev next >>    
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