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A022174 as a triangular array

1
11
1111
11111111
111111121111111
11111111222111122211111111
111111111223221111233332111122322111111111
111111111122333221111234454432111123445443211

A022174 as a square array

11111111
1111111111111111111111111111
111111211112221111223221111223332211
11111112221111233332111123445443211
1111111122322111123445443211
1111111
1

A022174 as an upper right triangle

11111111
1111111111111111111111111111
111111211112221111223221111223332211
11111112221111233332111123445443211
1111111122322111123445443211
1111111
1

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Last modified March 28 15:38 EDT 2024. Contains 371254 sequences. (Running on oeis4.)