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A210225 as a triangular array

1
21
351
412101
52236171
6358887261
751175277181371
870306680734338501
992490141621961710582651
101177362632540261563606941821
111451053450211592

A210225 as a square array

1234567891011
15122235517092117145
11036881753064907361053
11787277680141626324502
1261817342196540211592
13733817106156
1505823606
165941
182
1

A210225 as an upper right triangle

1234567891011
15122235517092117145
11036881753064907361053
11787277680141626324502
1261817342196540211592
13733817106156
1505823606
165941
182
1

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Last modified March 28 18:04 EDT 2024. Contains 371254 sequences. (Running on oeis4.)