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A166454 as a triangular array

1
11
232
2552
371073
3101717103
414283528144
41842636342184
5226010512610560225
5278216523123116582275
633110247396462396247110336

A166454 as a square array

11223344556
1357101418222733
25101728426082110
27173563105165247
3102863126231396
31442105231462
41860165396
42282247
527110
533
6
11223344556
1357101418222733
25101728426082110
27173563105165247
3102863126231396
31442105231462
41860165396
42282247
527110
533
6