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A204616 as a triangular array

16
4747
125181125
335749749335
907325449013254907
2470141993180531805141992470
674062031205117313597205117620316740
18406271125132241730840293084029132241727112518406
502781185255

A204616 as a square array

1647125335907247067401840650278
47181749325414199620312711251185255
1257494901318052051171322417
3353254318053135973084029
907141992051173084029
2470620311322417
6740271125
18406
1647125335907247067401840650278
47181749325414199620312711251185255
1257494901318052051171322417
3353254318053135973084029
907141992051173084029
2470620311322417
6740271125
18406