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A228977 as a triangular array

3
99
278127
8172972981
2436387195036387243
7295588748539748539755887729
21874880371182487532175213118248754880372187
656142592772848889792056956837205695683728488897942592776561

A228977 as a square array

39278124372921876561
9817296387558874880374259277
277291950348539711824875284888979
816387485397321752132056956837
24355887118248752056956837
729488037284888979
21874259277
6561
39278124372921876561
9817296387558874880374259277
277291950348539711824875284888979
816387485397321752132056956837
24355887118248752056956837
729488037284888979
21874259277
6561