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A238341 as a triangular array

1
01
011
0301
06101
0123001
02371001
0461340001
091251010001
01834621500001
0367893915100001
073717570356000001
0147835112571211000001

A238341 as a square array

1000000000000
1136122346911833677371478
1013713254689175351
1001410213970125
100015153571
100001621
1000001
100000
10000
1000
100
10
1
1000000000000
1136122346911833677371478
1013713254689175351
1001410213970125
100015153571
100001621
1000001
100000
10000
1000
100
10
1