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A sequence is formed by adding 2 to the triple of the previous term. If the first term is 1, how many multiples of 5 less than 10,000 would be terms of the sequence?

 May 29, 2021
 #1
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The  series   is

 

1      17   53    161    485     1457    4373   

 

Just   two terms

 

cool cool cool   

 May 29, 2021

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