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A191728 as a triangular array

1
42
1163
291695
744124147
1861046136198
46626115491492110
1166654386229124542612
29161636966574311136663113
7291409124161436779341166793415
1822910229

A191728 as a square array

1411297418646611662916729118229
2616411042616541636409110229
3924611543869662416
51436912295741436
71949124311779
82154136341
102666166
123179
1334
15

A191728 as an upper right triangle

1411297418646611662916729118229
2616411042616541636409110229
3924611543869662416
51436912295741436
71949124311779
82154136341
102666166
123179
1334
15

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Last modified April 10 05:04 EDT 2020. Contains 333392 sequences. (Running on oeis4.)