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A186430 as a triangular array

1
11
121
112121
121221
11201201201201
121202012021
1252252252025202522521
122524225204225221
124024050405040504050402402401
122404050408450404024021

A186430 as a square array

11111111111
12122120225222402
11212120120252252240240
1212020252042504040
11201202520252050405040
1225242504084
125225250405040
1224040
1240240
12
1
11111111111
12122120225222402
11212120120252252240240
1212020252042504040
11201202520252050405040
1225242504084
125225250405040
1224040
1240240
12
1