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A238348 as a triangular array

1
11
211
2321
44431
578741
81114141151
12182327251661
1927394951412271
284464859892632981
4569103144180189155923791
7010916624131936634424712946101

A238348 as a square array

11224581219284570
113471118274469109
124814233964103166
13714274985144241
1411255198180319
15164192189366
162263155344
172992247
1837129
1946
110
1
11224581219284570
113471118274469109
124814233964103166
13714274985144241
1411255198180319
15164192189366
162263155344
172992247
1837129
1946
110
1