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Yanka [14]
3 years ago
13

What is the Pattern 4,25,130,655

Mathematics
2 answers:
madreJ [45]3 years ago
8 0
Somewhere a round six

i think 6.25
spin [16.1K]3 years ago
7 0
This pattern looks complicated so it could be anything. One possible pattern is

 a(n) = ( 21·5ⁿ - 25 ) / 20

So pattern starts at n=1 and sequence would be 4, 25, 130, 655, 3280, ...
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