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Mathematics 7 Online
OpenStudy (anonymous):

Next term in the sequence, Riddle. 11, 12, 1121, 122111, 112213 ________

OpenStudy (anonymous):

12221131

OpenStudy (anonymous):

Yep. Too popular this is. Have you done it before?

OpenStudy (anonymous):

Yes.

OpenStudy (anonymous):

Not surprised. :D

OpenStudy (anonymous):

please explain me how to figure it out lol

OpenStudy (anonymous):

<Digit> followed by <frequency>

OpenStudy (anonymous):

actually i have never seen it backwards before

OpenStudy (anonymous):

1 1 1 2 1 1 2 1 1 etc

OpenStudy (anonymous):

3 1 1 2 2 1 1 2 1 3

OpenStudy (anonymous):

i don't understand T T

OpenStudy (asnaseer):

similar to the only given by @apoorvk - but, as @satellite73 spotted, in reverse. so: 11 <-- reading backwards you see we have two one's here, so write as 21 but backwards: 12 <-- reading backwards you see we have one two and one one, so write as 12 11 but backwards: 1121 etc...

OpenStudy (asnaseer):

*similar to the one ...

OpenStudy (apoorvk):

What a coincidence! lol.

OpenStudy (asnaseer):

indeed :)

OpenStudy (anonymous):

it is hard for me to read backwards. probably because i am a native english speaker but forwards is easy one one one two ones one two, one one three ones, one two two ones, one two, one three ...

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