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A125751 as a triangular array

1
21
452
101892
387853151
186422344129231
1106270424841123268322
77181999820080103422991490422
61662167520180466102700342116891824541
554330156751817894741103206

A125751 as a square array

12410381861106771861662554330
1518784222704199981675201567518
29533442484200801804661789474
2151291123103421027001103206
123268299134211
1324906891
242824
254
1
12410381861106771861662554330
1518784222704199981675201567518
29533442484200801804661789474
2151291123103421027001103206
123268299134211
1324906891
242824
254
1