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A348686 as a triangular array

1
32
683
4532154
12625690245
7501536885192356
27961228880102304350487
193899011285590276485005576638
75894753664913140374784745509600882809

A348686 as a square array

1364512675027961938975894
283225615361228890112753664
31590885801085590913140
424192230427648374784
535350500574550
6485769600
763882
880
9
1364512675027961938975894
283225615361228890112753664
31590885801085590913140
424192230427648374784
535350500574550
6485769600
763882
880
9