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A108888 as a triangular array

1
11
121
1311
14311
152511
16520111
1733535111
1872811111
194426391111
11091203542151111
111555661123111111
1121155457223139611111
113

A108888 as a square array

11111111111111
12345678910111213
113253749511
115203528421205555
11135163356645
11119421172
111115231231
11111396
11111
1111
111
11
1

A108888 as an upper right triangle

11111111111111
12345678910111213
113253749511
115203528421205555
11135163356645
11119421172
111115231231
11111396
11111
1111
111
11
1

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Last modified July 22 09:18 EDT 2024. Contains 374485 sequences. (Running on oeis4.)