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A147720 as a triangular array

1
01
021
0641
0181661
054603081
016221613448101
048675655824870121
0145825922214116841096141
04374874884785160215062812616

A147720 as a square array

1000000000
126185416248614584374
14166021675625928748
163013455822148478
184824811685160
110704102150
11296628
114126
116
1000000000
126185416248614584374
14166021675625928748
163013455822148478
184824811685160
110704102150
11296628
114126
116