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A213928 as a triangular array

1
42
539
166810
251571117
262414121836
49272313193537
6448282220343850
656347292133395181
100666246303240528082
121996761453141537983101

A213928 as a square array

145162526496465100121
23615242748636699
987142328476267
1011121322294661
17181920213045
363534333231
3738394041
50515253
818079
8283
101

A213928 as an upper right triangle

145162526496465100121
23615242748636699
987142328476267
1011121322294661
17181920213045
363534333231
3738394041
50515253
818079
8283
101

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Last modified April 19 04:35 EDT 2024. Contains 371782 sequences. (Running on oeis4.)