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A159924 as a triangular array

1
21
651
2221171
999894781
5465455415254481
3599359835943578350130541
275772757627572275562747927032239791
2403272403262403222403062402292397822367292127511
2343850

A159924 as a square array

12622995463599275772403272343850
152198545359827576240326
11794541359427572240322
178525357827556240306
1448350127479240229
1305427032239782
123979236729
1212751
1
12622995463599275772403272343850
152198545359827576240326
11794541359427572240322
178525357827556240306
1448350127479240229
1305427032239782
123979236729
1212751
1