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A080721 as a triangular array

1
11
144
192114
1166610050
125160410455182
136330126023102016672
149609322086101222287782508
16410367224262505359261908377529438
1811656147006930018988231231230373216087535750
1

A080721 as a square array

11111111111
149162536496481
4216616033060910361656
1410041012603220722414700
50455231086102625069300
18220161222253592189882
672877861908312312
250837752303732
9438160875
35750

A080721 as an upper right triangle

11111111111
149162536496481
4216616033060910361656
1410041012603220722414700
50455231086102625069300
18220161222253592189882
672877861908312312
250837752303732
9438160875
35750

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Last modified May 15 02:58 EDT 2024. Contains 372536 sequences. (Running on oeis4.)