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A154109 as a triangular array

1
20
302
4047
5061427
6082154114
70102881228523
80123510834210462589
9014421354561569517813744
1001649162570209277672748877821

A154109 as a square array

12345678910
000000000
246810121416
7142128354249
275481108135162
114228342456570
523104615692092
258951787767
1374427488
77821

A154109 as an upper right triangle

12345678910
000000000
246810121416
7142128354249
275481108135162
114228342456570
523104615692092
258951787767
1374427488
77821

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Last modified April 25 01:35 EDT 2024. Contains 371964 sequences. (Running on oeis4.)