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A209558 as a triangular array

1
22
254
37118
313212316
41544574732
424601291459564
526108207346353191128
538130405646875833383256
6402125451345187721241921767512
6552409652021

A209558 as a square array

12233445566
25713152426384055
411214460108130212240
82357129207405545965
164714534664613452021
32953538751877
641918332124
1283831921
256767
512

A209558 as an upper right triangle

12233445566
25713152426384055
411214460108130212240
82357129207405545965
164714534664613452021
32953538751877
641918332124
1283831921
256767
512

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Last modified March 29 10:22 EDT 2024. Contains 371268 sequences. (Running on oeis4.)