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A338017 as a triangular array

0
00
090
012120
03016300
0544040540
0697210072690
010292180180921020
01651362303242301361650
02012203404144143402202010
02792685506125296125502682790

A338017 as a square array

00000000000
0912305469102165201279
01216407292136220268
03040100180230340550
05472180324414612
06992230414529
0102136340612
0165220550
0201268
0279
0
00000000000
0912305469102165201279
01216407292136220268
03040100180230340550
05472180324414612
06992230414529
0102136340612
0165220550
0201268
0279
0