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A261765 as a triangular array

1
10
103
1098
10453230
10165320150144
1085522401800864840
10384317360189001209658805760
1021819146048195300145152940804608045360
101140751256192212058019595521270080829440408240403200

A261765 as a square array

1111111111
000000000
3945165855384321819114075
8323202240173601460481256192
301501800189001953002120580
144864120961451521959552
8405880940801270080
576046080829440
45360408240
403200
1111111111
000000000
3945165855384321819114075
8323202240173601460481256192
301501800189001953002120580
144864120961451521959552
8405880940801270080
576046080829440
45360408240
403200