1. What row of numbers comes next in this series?

1
11
21
1211
111221
312211
13112221

Question

1. What row of numbers comes next in this series?

1
11
21
1211
111221
312211
13112221

anonymous · Answer

I've seen this somewhere before, but I still do not understand the pattern here...

experimentx · Answer

1113212311??

phi · Answer

It looks like writing down a "word description"
1  I would say this is "one 1"  --> 11
11  I would say two ones ->  21
21   one 2 one 1   1211
1211  one 1 one 2 two 1's  111221

anonymous · Answer

@phi :your right ...

anonymous · Answer

@experimentX :your extremly close the right answer is 1113213211 .

anonymous · Answer

But @experimentX U got it by sequence or by what ?

experimentx · Answer

same technique as phi ... i have seen that before and i never make same mistake twice

experimentx · Answer

Oh ... i got mistake!! LOL

anonymous · Answer

LOL ,Good job anyway xD..U should not mistake triple :P

experimentx · Answer

Oh sure ..