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A280440 as a triangular array

0
00
141
210102
52021205
103842423810
20687780776820
3812013613813813612038
7120823623222523223620871
130358404386360360386404358130
235612687640574548574640687

A280440 as a square array

0012510203871130235
0410203868120208358612
110214277136236404687
2204280138232386640
53877138225360574
1068136232360548
20120236386574
38208404640
71358687
130

A280440 as an upper right triangle

0012510203871130235
0410203868120208358612
110214277136236404687
2204280138232386640
53877138225360574
1068136232360548
20120236386574
38208404640
71358687
130

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Last modified September 17 03:42 EDT 2021. Contains 347478 sequences. (Running on oeis4.)