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A238997 as a triangular array

3
77
154115
3120320331
63955236595563
127439325601256014393127
2552001527067163877927067120015255
5119084128277091548244115482441282770990841511
102341162129422487370847909

A238997 as a square array

371531631272555111023
74120395543932001590841411621
15203236525601270671282770929422487
319552560163877915482441370847909
63439327067115482441
127200152827709
25590841
511

A238997 as an upper right triangle

371531631272555111023
74120395543932001590841411621
15203236525601270671282770929422487
319552560163877915482441370847909
63439327067115482441
127200152827709
25590841
511

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Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)