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A176204 as a triangular array

1
11
1131
141411
11012611011
1225120512052251
14774761966147614771
1985171696247362473171699851
12005584293529336247573529335842920051
14049191357182076552414135241413182076519135740491

A176204 as a square array

1111111111
1134110122547798520054049
141261120547611716958429191357
110112059661624733529331820765
12254761624736247575241413
1477171693529335241413
1985584291820765
12005191357
14049
1
1111111111
1134110122547798520054049
141261120547611716958429191357
110112059661624733529331820765
12254761624736247575241413
1477171693529335241413
1985584291820765
12005191357
14049
1