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A257617 as a triangular array

1
22
4364
83883888
16367612416367616
32335642832042832043356432
64303260553818413027384553818430326064
128273215699831564465775352465775352998315642732156128

A257617 as a square array

1248163264128
2363883676335643032602732156
438812416283204553818499831564
8367628320413027384465775352
16335645538184465775352
3230326099831564
642732156
128

A257617 as an upper right triangle

1248163264128
2363883676335643032602732156
438812416283204553818499831564
8367628320413027384465775352
16335645538184465775352
3230326099831564
642732156
128

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Last modified March 29 04:59 EDT 2024. Contains 371264 sequences. (Running on oeis4.)