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A071709 as a triangular array

2
11
212
1211
21212
111211
2221212
12111211
212221212
1112111211
12112221212
112112111211

A071709 as a square array

212121212111
11211221121
2121212112
112112211
21212121
1121122
212121
11211
2121
112
21
1

A071709 as an upper right triangle

212121212111
11211221121
2121212112
112112211
21212121
1121122
212121
11211
2121
112
21
1

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Last modified May 3 22:43 EDT 2024. Contains 372225 sequences. (Running on oeis4.)