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A120981 as a triangular array

1
03
309
127027
1812162081
15270908100243
138270243054036450729
189289828351701028351530902187
121845363477622680102060136086123606561
22803288661236312984153090551124

A120981 as a square array

1031181513818912182280
3027122702702898453632886
9016290243028353477661236
2708105401701022680312984
81036452835102060153090
24301530913608551124
729061236
21870
6561
1031181513818912182280
3027122702702898453632886
9016290243028353477661236
2708105401701022680312984
81036452835102060153090
24301530913608551124
729061236
21870
6561