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A056940 as a triangular array

1
11
151
115151
135105351
170490490701
11261764411617641261
12105292246962469652922101
133013860116424232848116424138603301
14953267045738016465681646568457380326704951

A056940 as a square array

1111111111
15153570126210330495
115105490176452921386032670
135490411624696116424457380
1701764246962328481646568
112652921164241646568
121013860457380
133032670
1495
1

A056940 as an upper right triangle

1111111111
15153570126210330495
115105490176452921386032670
135490411624696116424457380
1701764246962328481646568
112652921164241646568
121013860457380
133032670
1495
1

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)