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A337410 as a triangular array

1
21
361
418701
5401407930241
67512480294157089478236026942081
71266905091983927296675145303820431630239244430773717868379796079930950636011521

A337410 as a square array

1234567
16184075126
17014071248069050
19302429415708991983927296
14782360269420867514530382043163023924
1443077371786837979607993095063601152
1
1234567
16184075126
17014071248069050
19302429415708991983927296
14782360269420867514530382043163023924
1443077371786837979607993095063601152
1