twitterNumberQuiz

With this quick an dirty approach, I wanted to ensure that there isnt a single sequence containing a 4 Inspired by twitter.com/freezone76/status/1592207354791358464

Question: What is the next row

1
11
21
1211
111221
312211
13112221

The 60th line is 12.6 Billion digits long an yet the highest number is three. Why? @standupmaths

lenght of lines

line lenght
0 1
1 2
2 2
3 4
4 6
5 6
6 8
7 10
8 14
9 20
10 26
11 34
12 46
13 62
14 78
15 102
16 134
17 176
18 226
19 302
20 408
21 528
22 678
23 904
24 1182
25 1540
26 2012
27 2606
28 3410
29 4462
30 5808
31 7586
32 9898
33 12884
34 16774
35 21890
36 28528
37 37158
38 48410
39 63138
40 82350
41 107312
42 139984
43 182376
44 237746
45 310036
46 403966
47 526646
48 686646
49 894810
50 1166642
51 1520986
52 1982710
53 2584304
54 3369156
55 4391702
56 5724486
57 7462860
58 9727930
59 12680852