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A133121 as a triangular array

1
11
201
2201
32101
423101
5422101
66332101
875422101
108103522101
1213894422101
1515141085422101
18211516894422101
22252317177104422101

A133121 as a square array

1122345681012151822
10222467813152125
1013235108141523
10123439101617
10122548817
101224597
101224410
1012244
101224
10122
1012
101
10
1
1122345681012151822
10222467813152125
1013235108141523
10123439101617
10122548817
101224597
101224410
1012244
101224
10122
1012
101
10
1