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A207741 as a triangular array

2
44
6166
936369
15811148114
2522536138719622
4062514251849141448435
641600562510535102015302122556
10440962055060025863555808120265313690
1691081675076327075731025

A207741 as a square array

246915254064104169
41636812256251600409610816
636114361142556252055075076
98138718491053560025327075
1419614141020186355731025
22484530258081
35122520265
563136
90
246915254064104169
41636812256251600409610816
636114361142556252055075076
98138718491053560025327075
1419614141020186355731025
22484530258081
35122520265
563136
90