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A338397 as a triangular array

1
11
142
19124
11642348
1251101609016
13624055054022632
14946215402310166654664
16481237247910859648021282128
18113328064230583498629190131402946256

A338397 as a square array

1111111111
149162536496481
212421102404628121332
434160550154037248064
8905402310791023058
162261666859634986
32546480229190
64128213140
1282946
256
1111111111
149162536496481
212421102404628121332
434160550154037248064
8905402310791023058
162261666859634986
32546480229190
64128213140
1282946
256