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A127442 as a triangular array

1
1-2
1-20
1-201
1-201-1
1-201-12
1-201-12-2
1-201-12-21
1-201-12-210
1-201-12-2101
1-201-12-2101-2
1

A127442 as a square array

111111111111
-2-2-2-2-2-2-2-2-2-2
000000000
11111111
-1-1-1-1-1-1-1
222222
-2-2-2-2-2
1111
000
11
-2

A127442 as an upper right triangle

111111111111
-2-2-2-2-2-2-2-2-2-2
000000000
11111111
-1-1-1-1-1-1-1
222222
-2-2-2-2-2
1111
000
11
-2

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Last modified July 23 16:03 EDT 2021. Contains 346259 sequences. (Running on oeis4.)