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A123125 as a triangular array

1
01
011
0141
0111111
012666261
0157302302571
011201191241611911201
012474293156191561942932471
01502146088823415619088234146085021
011013478404551921310354

A123125 as a square array

10000000000
1111111111
141126571202475021013
11166302119142931460847840
12630224161561988234455192
1571191156191561901310354
1120429388234
124714608
1502
1
10000000000
1111111111
141126571202475021013
11166302119142931460847840
12630224161561988234455192
1571191156191561901310354
1120429388234
124714608
1502
1