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A209553 as a triangular array

7
2020
6110561
191562562191
603305150753051603
1909165824651546515165821909
604990186425803723636425803901866049
1917349054739011941122664411226644390119449054719173
607772668340

A209553 as a square array

72061191603190960491917360777
20105562305116582901864905472668340
615625075465154258033901194
19130514651572363611226644
6031658242580311226644
1909901863901194
6049490547
19173

A209553 as an upper right triangle

72061191603190960491917360777
20105562305116582901864905472668340
615625075465154258033901194
19130514651572363611226644
6031658242580311226644
1909901863901194
6049490547
19173

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Last modified January 21 16:03 EST 2022. Contains 350479 sequences. (Running on oeis4.)