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A213771 as a triangular array

1
62
18113
4030164
756242215
1261108454266
19617714510666317
28826622818012878368
40538033627921515090419
55052247240633025017210246

A213771 as a square array

16184075126196288405550
2113062110177266380522
3164284145228336472
42154106180279406
52666128215330
63178150250
73690172
841102
946
16184075126196288405550
2113062110177266380522
3164284145228336472
42154106180279406
52666128215330
63178150250
73690172
841102
946