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A253820 as a triangular array

512
27002700
126801299212680
47816603926039247816
178752181070214596181070178752
618856651937554638554638651937618856
2201616200806818261901713952182619020080682201616
768644471251705735723

A253820 as a square array

5122700126804781617875261885622016167686444
2700129926039218107065193720080687125170
126806039221459655463818261905735723
478161810705546381713952
1787526519371826190
6188562008068
2201616

A253820 as an upper right triangle

5122700126804781617875261885622016167686444
2700129926039218107065193720080687125170
126806039221459655463818261905735723
478161810705546381713952
1787526519371826190
6188562008068
2201616

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Last modified September 25 04:28 EDT 2022. Contains 356953 sequences. (Running on oeis4.)