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A209858 as a triangular array

25
182182
130828291308
945543091430919455
68201661963138613166196368201
49237310137464450719904507199010137464492373
35534251554906541460712837311191470714607128371554906543553425
25648639

A209858 as a square array

251821308945568201492373355342525648639
18228294309166196310137464155490654
1308430911386131450719901460712837
9455661963450719903111914707
68201101374641460712837
492373155490654
3553425

A209858 as an upper right triangle

251821308945568201492373355342525648639
18228294309166196310137464155490654
1308430911386131450719901460712837
9455661963450719903111914707
68201101374641460712837
492373155490654
3553425

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Last modified January 20 17:42 EST 2022. Contains 350472 sequences. (Running on oeis4.)