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A349727 as a triangular array

1
01
111
4321
1510631
5635201041
21012670351551
792462252126562161
30031716924462210842871
114406435343217167923301203681
4375824310128706435300312874951654591

A349727 as a square array

1014155621079230031144043758
11310351264621716643524310
1262070252924343212870
13103512646217166435
1415562107923003
1521843301287
1628120495
1736165
1845
19
1
1014155621079230031144043758
11310351264621716643524310
1262070252924343212870
13103512646217166435
1415562107923003
1521843301287
1628120495
1736165
1845
19
1