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A038277 as a triangular array

1
711
49154121
343161725411331
240115092355743726814641
16807132055415030652190512435161051
1176491109262435781591306601076113567641421771561
823543905897342706587111850585

A038277 as a square array

1749343240116807117649823543
1115416171509213205511092629058973
121254135574415030435781542706587
1331372686521909130660111850585
1464151243510761135
1610516764142
1771561
1749343240116807117649823543
1115416171509213205511092629058973
121254135574415030435781542706587
1331372686521909130660111850585
1464151243510761135
1610516764142
1771561