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A124376 as a triangular array

1
11
141
1771
11019101
1133737131
116619261161
1199118518591191
122127326440326127221
125169525896896525169251
128217792

A124376 as a square array

11111111111
14710131619222528
1719376191127169217
1103792185326525792
11361185440896
11691326896
119127525
122169
125
1
11111111111
14710131619222528
1719376191127169217
1103792185326525792
11361185440896
11691326896
119127525
122169
125
1