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A274895 as a triangular array

1
12
243
41276
836161412
1610837382624
3232486104845048
649722002902751929596
1282916465815913753436181192
256874810812291306430172049990345384
512262442513643410337

A274895 as a square array

11248163264128256512
2412361083249722916874826244
3716378620046510812513
6143810429081522916434
122684275913306410337
24501927533017
48954362049
96181990
192345
384

A274895 as an upper right triangle

11248163264128256512
2412361083249722916874826244
3716378620046510812513
6143810429081522916434
122684275913306410337
24501927533017
48954362049
96181990
192345
384

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Last modified July 28 00:54 EDT 2021. Contains 346316 sequences. (Running on oeis4.)