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A130210 as a triangular array

1
12
102
1203
10002
122004
1000002
12030004
102000003
1200200004
10000000002
122304000006
1000000000002
12

A130210 as a square array

11111111111111
2020202020202
20020020020
3000300030
200002000
40000040
2000000
400000
30000
4000
200
60
2

A130210 as an upper right triangle

11111111111111
2020202020202
20020020020
3000300030
200002000
40000040
2000000
400000
30000
4000
200
60
2

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Last modified August 15 03:46 EDT 2024. Contains 375172 sequences. (Running on oeis4.)