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A174451 as a triangular array

1
11
1181
136361
1602160601
19054005400901
112611340680400113401261
11682116819051201905120211681681
12163628845722884115059204572288362882161
1270583209797760123451776012345177609797760583202701

A174451 as a square array

1111111111
118366090126168216270
1362160540011340211683628858320
1605400680400190512045722889797760
1901134019051204115059201234517760
11262116845722881234517760
1168362889797760
121658320
1270
1
1111111111
118366090126168216270
1362160540011340211683628858320
1605400680400190512045722889797760
1901134019051204115059201234517760
11262116845722881234517760
1168362889797760
121658320
1270
1