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A253129 as a triangular array

4
712
105316
131529040
1634528139364
196766732058952144
2211971356725765153323256
25196824521999028428321669205544
28305740834694592041184145119317294451024
314540640998124

A253129 as a square array

471013161922252831
12531523456761197196830574540
16902816731356245240836409
4039320587257199904694598124
6495265152842892041
144332332166184145
2569205119317
54429445
1024

A253129 as an upper right triangle

471013161922252831
12531523456761197196830574540
16902816731356245240836409
4039320587257199904694598124
6495265152842892041
144332332166184145
2569205119317
54429445
1024

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Last modified July 31 12:29 EDT 2021. Contains 346373 sequences. (Running on oeis4.)