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A257493 as a triangular array

1
11
111
1121
11361
11421241
115552821201
116120200862107201
1172311014715304020241050401
118406401762224955209338409135630403201
11966613272422069251104764990546628573605450079603628801

A257493 as a square array

11111111111
1111111111
123456789
162155120231406666
12428220081014740176132724
11206210153040222495522069251
1720202410209338401047649905
1504091356304662857360
140320545007960
1362880
1

A257493 as an upper right triangle

11111111111
1111111111
123456789
162155120231406666
12428220081014740176132724
11206210153040222495522069251
1720202410209338401047649905
1504091356304662857360
140320545007960
1362880
1

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Last modified January 21 05:39 EST 2020. Contains 331104 sequences. (Running on oeis4.)