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A194959 as a triangular array

1
12
132
1342
13542
135642
1357642
13578642
135798642
13579108642
1357911108642
135791112108642
13579111312108642
135

A194959 as a square array

11111111111111
2333333333333
245555555555
2467777777
246899999
246810111111
2468101213
24681012
246810
2468
246
24
2

A194959 as an upper right triangle

11111111111111
2333333333333
245555555555
2467777777
246899999
246810111111
2468101213
24681012
246810
2468
246
24
2

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Last modified March 28 16:58 EDT 2024. Contains 371254 sequences. (Running on oeis4.)