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A193738 as a triangular array

1
11
122
1233
12344
123455
1234566
12345677
123456788
1234567899
1234567891010
123456789101111
12345678910111212
1234

A193738 as a square array

11111111111111
1222222222222
233333333333
34444444444
455555555
56666666
6777777
788888
89999
9101010
101111
1112
12

A193738 as an upper right triangle

11111111111111
1222222222222
233333333333
34444444444
455555555
56666666
6777777
788888
89999
9101010
101111
1112
12

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Last modified April 16 17:36 EDT 2024. Contains 371749 sequences. (Running on oeis4.)