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Algebra Level 1

What is the next number in this series: 1,2,6,42,1806, _


The answer is 3263442.

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3 solutions

1 + 1 2 = 2 2 + 2 2 = 6 6 + 6 2 = 42 42 + 42 2 = 1806 1806 + 1806 2 = 3463442 1+{ 1 }^{ 2 }=2\\ 2+{ 2 }^{ 2 }=6\\ 6+{ 6 }^{ 2 }=42\\ 42+{ 42 }^{ 2 }=1806\\ 1806+{ 1806 }^{ 2 }=3463442

CHEERS!!:):)

Aya Alaa
Sep 9, 2014

1×(1+1)=2

2×(2+1)=6

6×(6+1)=42

42×(42+1)=1806

1806×(1806+1)=3263442

Rona Mae Banlasan
Oct 10, 2014

we've got the same solution! AMAZING!

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