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A287943 as a triangular array

2
34
565
792830
1112326045
131553686497
17185885130223160
192162116193322558359
232674144208401868713536
293096165238540957118015532866
31341361862655761403

A287943 as a square array

235711131719232931
46912151821263034
528325358627496136
30606885116144165186
4564130193208238265
97223322401540576
1605588689571403
3597131180
5361553
2866
235711131719232931
46912151821263034
528325358627496136
30606885116144165186
4564130193208238265
97223322401540576
1605588689571403
3597131180
5361553
2866