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A273619 as a triangular array

1
11
121
1211
12311
123111
1234121
12341121
123451121
1234511211
12345611211
123456111211
12345671

A273619 as a square array

1111111111111
122222222222
11333333333
1114444444
111155555
12111666
1211117
122111
1121
112
11
1

A273619 as an upper right triangle

1111111111111
122222222222
11333333333
1114444444
111155555
12111666
1211117
122111
1121
112
11
1

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Last modified April 19 06:44 EDT 2024. Contains 371782 sequences. (Running on oeis4.)