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2, 12, 1112, 3112, 132112, 1113122112, ?
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What is the next number in this sequence: 2, 12, 1112, 3112, 132112, 1113122112, ?

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Answer is 311311222112

This is famous look and say sequence where the problem depends up on number of occurence of every digit in the number.

1st term 2,
next term = 1 time of 2= 12 (2nd term)
next term = 1 occurs 1 time and 2 occurs one time therefore 1 time of 1 and 1 time of 2 = 1112


Similarly by solving the 1113122112 = 3 times of 1 & 1 time of 3 & 1 time of 1 & 2 times of 2 & 2 times of 1 and 1 time of 2 we get 311311222112 (answer)

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