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A209279 as a triangular array

1
12
213
2314
32415
342516
4352617
45362718
546372819
56473829110
6574839210111
675849310211112
76859410311212113

A209279 as a square array

1122334455667
213243546576
31425364758
4152637485
516273849
61728394
71829310
8192103
9110211
101112
11112
121
13

A209279 as an upper right triangle

1122334455667
213243546576
31425364758
4152637485
516273849
61728394
71829310
8192103
9110211
101112
11112
121
13

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Last modified April 23 12:08 EDT 2024. Contains 371912 sequences. (Running on oeis4.)