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A224728 as a triangular array

2052
16231623
247119202471
3506249324933506
42572863309228634257
573731233502350231235737
8117412937753924377541298117
1230657114868420942094868571112306
181877604654053714498

A224728 as a square array

20521623247135064257573781171230618187
16231920249328633123412957117604
2471249330923502377548686540
350628633502392442095371
42573123377542094498
573741294868
81175711
12306
20521623247135064257573781171230618187
16231920249328633123412957117604
2471249330923502377548686540
350628633502392442095371
42573123377542094498
573741294868
81175711
12306