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A266921 as a triangular array

1
10
101
1042
108239
102237639844
105471374029823432265
1014214737853369602549914718412741854
103683267167807737754390489842682850489005019307036014833
1097475854154

A266921 as a square array

1111111111
000000000
1482254142368974
2233767137147378326716775854154
9398402985336960807737754
44234322549914739048984268
265184127428504890050
1854193070360
14833

A266921 as an upper right triangle

1111111111
000000000
1482254142368974
2233767137147378326716775854154
9398402985336960807737754
44234322549914739048984268
265184127428504890050
1854193070360
14833

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Last modified March 28 11:59 EDT 2024. Contains 371254 sequences. (Running on oeis4.)