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A231396 as a triangular array

3
74
1487
33381512
78901002023
1893633112723144
4821163170610967405287
12253985784483404085206195172
323814650356965578841237157325834180343
856550088184692345022401240

A231396 as a square array

37143378189482122532388565
483890363116339851465050088
7151003111706784435696184692
12202721096834055788345022
2331740408541237401240
4452206115732
87955834
172180
343
37143378189482122532388565
483890363116339851465050088
7151003111706784435696184692
12202721096834055788345022
2331740408541237401240
4452206115732
87955834
172180
343