Sequence

Logic Level 2

What is the next term in the sequence below?

1 , 11 , 21 , 1211 , 111221 , ? 1,11,21,1211,111221,?


The answer is 312211.

Poo La by poo la , 21, Philippines

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1 solution

Harish Sasikumar
Nov 24, 2015

Like 5 apples, 3 oranges, read how many of each digits are there.

1 (One one) 11

11 (Two Ones) 21

21 (One Two, then One One) 1211

1211 (One One, One Two and then Two Ones) 111221

111221 (Three Ones, Two Twos and then One One) 312211

2 Helpful 1 Interesting 0 Brilliant 0 Confused

THANK YOU VERY MUCH FOR SUPPORTING MY ANSWER...

poo la - 5 years, 6 months ago

Answer can be anything.... by using Lagrange's zero-one blocks

Siddhant Chaudhari - 5 years, 5 months ago

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CAN YOU PLEASE TELL ME MORE ABOUT THIS THING?

poo la - 5 years, 5 months ago

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I am using a tablet to type and hence, the notation will not come perfect. So instead, i uploaded an image in the wiki "SAT sequences and series". The image is near the end of the wiki. Please visit and check out the image, it will explain everything. By the way, nice problem :)

Siddhant Chaudhari - 5 years, 5 months ago

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