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A143613 as a triangular array

1
20
220
3030
22340
420050
2234560
40605070
340450780
4264007090
223456789100
62301007000110
2234567891011120

A143613 as a square array

1223242434262
020222042222
03303606333
0404044404
0555505105
06000606
0777777
080808
09909
010010
01111
012
0

A143613 as an upper right triangle

1223242434262
020222042222
03303606333
0404044404
0555505105
06000606
0777777
080808
09909
010010
01111
012
0

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Last modified March 29 06:57 EDT 2024. Contains 371265 sequences. (Running on oeis4.)