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A173591 as a triangular array

2
11
0-60
1-3-31
2-18110-182
1-35-159-159-351
0103000-57903000100
1-139-150912745727457-15091-1391
230110454-595250578402-595250110454302
15-7151677576241-52556037576241-71516751

A173591 as a square array

2101210121
1-6-3-18-3510-139305
0-3110-1593000-15091110454-715167
1-18-159-579027457-5952507576241
2-35300027457578402-5255603
110-15091-5952507576241
0-139110454-715167
1305
21
2101210121
1-6-3-18-3510-139305
0-3110-1593000-15091110454-715167
1-18-159-579027457-5952507576241
2-35300027457578402-5255603
110-15091-5952507576241
0-139110454-715167
1305
21