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A130302 as a triangular array

1
31
621
10321
154321
2154321
28654321
367654321

A130302 as a square array

1361015212836
1234567
123456
12345
1234
123
12
1
1361015212836
1234567
123456
12345
1234
123
12
1

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Last modified September 21 08:46 EDT 2024. Contains 376084 sequences. (Running on oeis4.)