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A203870 as a triangular array

205
16481648
100772163510077
5584821019021019055848
280509160555229352621605552280509
1322098105009033152142231521422105009031322098
591427359962757269967062443416660269967062

A203870 as a square array

2051648100775584828050913220985914273
16482163521019016055521050090359962757
10077210190293526231521422269967062
55848160555231521422443416660
28050910500903269967062
1322098

A203870 as an upper right triangle

2051648100775584828050913220985914273
16482163521019016055521050090359962757
10077210190293526231521422269967062
55848160555231521422443416660
28050910500903269967062
1322098

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Last modified February 21 22:50 EST 2024. Contains 370239 sequences. (Running on oeis4.)