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A220319 as a triangular array

1
11
252
424244
789353897
123893167316738912
211566282155681928215156621
376401237144984087984087237144640137
6525704194469216290350

A220319 as a square array

1124712213765
1524893891566640125704
2243533167282152371441944692
48931675681998408716290350
738928215984087
121566237144
216401
37

A220319 as an upper right triangle

1124712213765
1524893891566640125704
2243533167282152371441944692
48931675681998408716290350
738928215984087
121566237144
216401
37

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Last modified September 26 15:51 EDT 2022. Contains 357000 sequences. (Running on oeis4.)