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A217839 as a triangular array

2
24
248
24716
2471232
247112164
247111737128
24711162765256
24711162344114512
24711162234722001024
24711162230521173512048
247111622294281189616

A217839 as a square array

222222222222
44444444444
8777777777
161211111111111111
3221171616161616
64372723222222
1286544343029
256114725242
51220011781
1024351189
2048616

A217839 as an upper right triangle

222222222222
44444444444
8777777777
161211111111111111
3221171616161616
64372723222222
1286544343029
256114725242
51220011781
1024351189
2048616

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Last modified May 7 21:53 EDT 2024. Contains 372317 sequences. (Running on oeis4.)