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A371470 as a triangular array

1
23
457
8126
72334
545679
108122310
1142345712
1354345667
8786712346
754232334613
14653443467818
1956656667891419
20785

A371470 as a square array

12487510111387141920
3512484575657
723512484568
63623362365
472447345
93551246
10762336
1263346
74467
6678
1389
1814
19
12487510111387141920
3512484575657
723512484568
63623362365
472447345
93551246
10762336
1263346
74467
6678
1389
1814
19