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A176490 as a triangular array

1
11
191
133331
11012951011
1293198319832931
18411173325963117338411
12425649492753412753416494924251
1705334621925735214831203257352134621970531
120685180417922163163

A176490 as a square array

1111111111
19331012938412425705320685
133295198311733649493462191804179
1101198325963275341257352122163163
1293117332753414831203
1841649492573521
12425346219
17053
1

A176490 as an upper right triangle

1111111111
19331012938412425705320685
133295198311733649493462191804179
1101198325963275341257352122163163
1293117332753414831203
1841649492573521
12425346219
17053
1

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Last modified May 6 00:41 EDT 2021. Contains 343579 sequences. (Running on oeis4.)