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A204213 as a triangular array

1
12
134
1499
15163221
16257812051
1736155404473127
1849271102522081925323
196443421817167124928034835
110816524116185835194572589341882188
1111009337120413631642553870004305691477875798

A204213 as a square array

11111111111
234567891011
49162536496481100
93278155271434652933
211204041025218141167120
51473220871671858341363
12719251249251945164255
323803472589387000
83534188430569
2188147787
5798

A204213 as an upper right triangle

11111111111
234567891011
49162536496481100
93278155271434652933
211204041025218141167120
51473220871671858341363
12719251249251945164255
323803472589387000
83534188430569
2188147787
5798

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)