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A368148 as a triangular array

1
22
212
1331
22322
212212
1331331
22322322
212212212
1331331331
22322322322
212212212212
1331331331331

A368148 as a square array

1221221221221
213213213213
23323323323
1221221221
213213213
23323323
1221221
213213
23323
1221
213
23
1
1221221221221
213213213213
23323323323
1221221221
213213213
23323323
1221221
213213
23323
1221
213
23
1