irregular pattern

Logic Level 1

What is the 14th number in this pattern ?

1, 0, 1, 4, 9 ................................

109 144 121 186 198

S.M. Zubair by S.M. Zubair , 18, Bangladesh

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3 solutions

Aaryan Vaishya
Dec 17, 2018

Basically after 1,0, everything a(n) is (n-2)^2.Applying this to 14,we get (14-2)^2=12^2=12x12=144

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Parth Sankhe
Dec 16, 2018

1 , 0 , 1 , 4 , 9 , 16 , 25 , 36 , 49 , 64 , 81 , 100 , 121 , 144 1,0,1,4,9,16,25,36,49,64,81,100,121,144

The pattern is n 2 n^2 , where n n begins from -1.

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S.M. Zubair
Dec 16, 2018

Formula of this pattern is...(2 - a )^2 where a is any position of this pattern

example: a = 3.........(2 - 3)^2 = 1

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