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A375001 as a triangular array

1
21
121
3121
13121
223121
1223121
41223121
141223121
2141223121
11241223121
311241223121
1311241223121

A375001 as a square array

1213121412131
121322141113
12132214211
1213221421
121322142
12132214
1213221
121322
12132
1213
121
12
1
1213121412131
121322141113
12132214211
1213221421
121322142
12132214
1213221
121322
12132
1213
121
12
1