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A046219 as a triangular array

1
11
121
1221
12121
122221
1211121
12211221
121212121
1222222221
12111111121
122111111221
121211111

A046219 as a square array

1111111111111
122222222222
12121212121
1221122112
121112111
12222111
1212111
122111
12111
122
12
1

A046219 as an upper right triangle

1111111111111
122222222222
12121212121
1221122112
121112111
12222111
1212111
122111
12111
122
12
1

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Last modified September 19 11:23 EDT 2021. Contains 347556 sequences. (Running on oeis4.)