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A127449 as a triangular array

1
20
330
4040
55550
600060
7777770
80808080
990990990
10010000100100

A127449 as a square array

12345678910
030507090
045078010
0507090
067890
07000
08910
090
010
0

A127449 as an upper right triangle

12345678910
030507090
045078010
0507090
067890
07000
08910
090
010
0

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Last modified April 23 08:19 EDT 2024. Contains 371905 sequences. (Running on oeis4.)