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A225640 as a triangular array

1
11
211
3211
46211
5126211
630126211
73060126211
8846060126211
91204206060126211
101808404206060126211
1121012608404206060126211

A225640 as a square array

11234567891011
112612303084120180210
11261260604208401260
1126126060420840
1126126060420
1126126060
11261260
112612
1126
112
11
1
11234567891011
112612303084120180210
11261260604208401260
1126126060420840
1126126060420
1126126060
11261260
112612
1126
112
11
1