This is an easy number puzzle:
1) 1
2) 11
3) 21
4) 1211
5) 111221
6) 312211
7) 13112221
8) ???
What is the number on row 8?
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Sign up to join this communityThis is an easy number puzzle:
1) 1
2) 11
3) 21
4) 1211
5) 111221
6) 312211
7) 13112221
8) ???
What is the number on row 8?
1113213211
Each number, from the second line onwards, represents the frequencies of the digits in the previous line in the form $Af_ABf_BCf_C...$, where $A$, $B$ and $C$ are the different digits in order of appearence, and $f_{A,B,C}$ represents their frequency in every continuous set of equal digits.
1
11 one one
21 two ones
1211 one two and one one
111221 one one, one two, and two ones
...