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A216665 as a triangular array

1
11
221
2121
33221
332221
4323221
44513221
553423221
5443323221
66452423221
667551423221
7643442423221

A216665 as a square array

1122334455667
121333454666
12222534474
1223143553
122323254
12232414
1223242
122324
12232
1223
122
12
1

A216665 as an upper right triangle

1122334455667
121333454666
12222534474
1223143553
122323254
12232414
1223242
122324
12232
1223
122
12
1

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Last modified September 16 03:28 EDT 2024. Contains 375959 sequences. (Running on oeis4.)