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A259742 as a triangular array

20
2222
423642
62747462
101136190136101
152230374374230152
265414792868792414265
3827601514188218821514760382
6521356348044564904445634801356652
96224146542105701208612086

A259742 as a square array

20224262101152265382652962
22367413623041476013562414
4274190374792151434806542
621363748681882445610570
1012307921882490412086
1524141514445612086
2657603480
3821356
652
20224262101152265382652962
22367413623041476013562414
4274190374792151434806542
621363748681882445610570
1012307921882490412086
1524141514445612086
2657603480
3821356
652