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A219946 as a triangular array

1
11
101
1001
10101
102201
1010101
10444401
105060501
106816168601
101303703701301
1016169213613692161601
102502450545024502501

A219946 as a square array

1111111111111
100000000000
10121456131625
10204080160
10146163792245
10401601360
105837136545
1060920
101316245
10160
1025
10
1

A219946 as an upper right triangle

1111111111111
100000000000
10121456131625
10204080160
10146163792245
10401601360
105837136545
1060920
101316245
10160
1025
10
1

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Last modified March 28 10:53 EDT 2024. Contains 371240 sequences. (Running on oeis4.)