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A054143 as a triangular array

1
13
147
151115
16162631
1722425763
18296499120127
193793163219247255
11046130256382466502511
1115617638663884896810131023
11267232562102414861816198120362047

A054143 as a square array

11111111111
3456789101112
71116222937465667
1526426493130176232
315799163256386562
631202193826381024
1272474668481486
2555029681816
51110131981
10232036
2047

A054143 as an upper right triangle

11111111111
3456789101112
71116222937465667
1526426493130176232
315799163256386562
631202193826381024
1272474668481486
2555029681816
51110131981
10232036
2047

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Last modified March 29 09:59 EDT 2024. Contains 371268 sequences. (Running on oeis4.)