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A230031 as a triangular array

1
11
101
1001
10101
110011
1040401
1002323001
10901170901
11004544540011
1025020030200302501
1009979157009157997001

A230031 as a square array

111111111111
10001000100
10104090250
100023000997
1142311745420039157
100045400
109020030
10009157
1125997
100
10
1

A230031 as an upper right triangle

111111111111
10001000100
10104090250
100023000997
1142311745420039157
100045400
109020030
10009157
1125997
100
10
1

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Last modified March 29 01:36 EDT 2024. Contains 371264 sequences. (Running on oeis4.)