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A250320 as a triangular array

2
58
8258
13604124
1811710416142
25200233652487104
32321436177324321689212
4148074539168767128205849464
506811152796924126578336109219981950
6194017331445257305197848

A250320 as a square array

25813182532415061
82560117200321480681940
84110423343674511521733
2416165217733916796914452
42487243287672412657305
10416891282057833197848
212584961092
46419981
950

A250320 as an upper right triangle

25813182532415061
82560117200321480681940
84110423343674511521733
2416165217733916796914452
42487243287672412657305
10416891282057833197848
212584961092
46419981
950

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Last modified April 19 18:00 EDT 2024. Contains 371797 sequences. (Running on oeis4.)