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I am Lyosha [343]
3 years ago
14

Give the next number in this unusual sequence: 2,3,7,25,121,721,5041,40321.

Mathematics
1 answer:
malfutka [58]3 years ago
3 0

Answer:

362881

Step-by-step explanation:

The right sequence should be

2,3,7,25,121,721,5041,40321, 362881

Here, the formula used is a(n)=n!+1 where n=1 to infininity

n(1) =2=1!+1=2

n(2)= 3=2!+1=3

n(3)=7=3!+1=7

n(4)=25=4!+1=25

n(5)=121=5!+1=121

n(6)=721=6!+1=721

n(7)=5041=7!+1=5041

n(8)=40321=8!+1=40321

n(9)=362881=9!+1=362881

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