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A250729 as a triangular array

9
2218
504633
1141108558
25725720814499
579596496365230166
130213761158885600350275
29273173269920921500942513452
6578731062574889360524341418728739
147821683814520113778514

A250729 as a square array

9225011425757913022927657814782
184611025759613763173731016838
338520849611582699625714520
581443658852092488911377
99230600150036058514
1663509422434
2755131418
452728
739
9225011425757913022927657814782
184611025759613763173731016838
338520849611582699625714520
581443658852092488911377
99230600150036058514
1663509422434
2755131418
452728
739