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A172279 as a triangular array

1
11
121
1321
12621
1310511
12820821
12113518511
116287028611
118421266317411
1152410525210524511
116331654622316617411
11422993969243969922411

A172279 as a square array

1111111111111
123232211111
1261081168564
12520352842243322
118187012610516599
1252863252462396
11617105231924
1142466396
1151799
11422
114
11
1

A172279 as an upper right triangle

1111111111111
123232211111
1261081168564
12520352842243322
118187012610516599
1252863252462396
11617105231924
1142466396
1151799
11422
114
11
1

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Last modified April 19 10:56 EDT 2024. Contains 371791 sequences. (Running on oeis4.)