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A131084 as a triangular array

1
11
021
0231
02541
027951
029161461
021125302071
02133655502781
02154991105773591

A131084 as a square array

1100000000
122222222
13579111315
14916253649
1514305591
162050105
172777
1835
19
1
1100000000
122222222
13579111315
14916253649
1514305591
162050105
172777
1835
19
1