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A173007 as a triangular array

1
31
27121
729351391
590492916035101201
143489077144929882090326703631
1046035320352230021486501885392469852029729710921
2287679245496111433166050879142718533694154665851779674887059268550132791

A173007 as a square array

132772959049143489071046035320322876792454961
112351291607144929522300214811433166050879
13935108820906501885391427185336941
1120326702469852054665851779
1363297297674887059
110922685501
13279
1
132772959049143489071046035320322876792454961
112351291607144929522300214811433166050879
13935108820906501885391427185336941
1120326702469852054665851779
1363297297674887059
110922685501
13279
1