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A203398 as a triangular array

2
21
202
2103
20006
212009
20000018
210300030
2020000056
21006000099
2000000000186
21230900000335

A203398 as a square array

222222222222
10101010101
2002002002
300030003
60000600
9000009
1800000
300000
56000
9900
1860
335

A203398 as an upper right triangle

222222222222
10101010101
2002002002
300030003
60000600
9000009
1800000
300000
56000
9900
1860
335

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Last modified March 29 08:13 EDT 2024. Contains 371265 sequences. (Running on oeis4.)