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A127170 as a triangular array

1
21
201
3201
20001
422001
2000001
43020001
302000001
4200200001
20000000001
643202000001
2000000000001
42000020000001

A127170 as a square array

12232424342624
1020203020402
100200200300
10002000200
1000020000
100000200
10000002
1000000
100000
10000
1000
100
10
1
12232424342624
1020203020402
100200200300
10002000200
1000020000
100000200
10000002
1000000
100000
10000
1000
100
10
1