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A205520 as a triangular array

81
360360
168324121683
757217166171667572
3557712223220580312223235577
16021886494823433482343348864948160218
75042661275542763078944160240276307896127554750426
338792443434216312856410

A205520 as a square array

8136016837572355771602187504263387924
360241217166122232864948612755443434216
168317166205803234334827630789312856410
7572122232234334844160240
3557786494827630789
1602186127554
750426

A205520 as an upper right triangle

8136016837572355771602187504263387924
360241217166122232864948612755443434216
168317166205803234334827630789312856410
7572122232234334844160240
3557786494827630789
1602186127554
750426

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Last modified October 1 19:48 EDT 2022. Contains 357172 sequences. (Running on oeis4.)