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A127472 as a triangular array

1
21
302
4302
50004
634002
7000006
87060004
908000006
10500800004
1100000000010
1298606000004
13

A127472 as a square array

12345678910111213
10303070509
2004008008
200060006
40000800
2000006
600000
40000
6000
400
100
4

A127472 as an upper right triangle

12345678910111213
10303070509
2004008008
200060006
40000800
2000006
600000
40000
6000
400
100
4

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Last modified April 24 00:30 EDT 2024. Contains 371917 sequences. (Running on oeis4.)