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A219866 as a triangular array

1
11
101
1111
11211
114411
12714721
121541411521
13301431841433031
1460472106910694726041
151231562562496125624156212351

A219866 as a square array

11111111111
1011122345
11247153060123
11414411434721562
1174118410695624
121514310699612
12304725624
13601562
14123
15
1

A219866 as an upper right triangle

11111111111
1011122345
11247153060123
11414411434721562
1174118410695624
121514310699612
12304725624
13601562
14123
15
1

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Last modified May 13 21:51 EDT 2024. Contains 372523 sequences. (Running on oeis4.)