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A214268 as a triangular array

1
11
111
1111
11131
111321
1113441
11134531
1113471151
111347121231
11134714201651
1113471421283051

A214268 as a square array

111111111111
11111111111
1111111111
133333333
12444444
1457777
1311121414
15122021
131628
1530
15
1

A214268 as an upper right triangle

111111111111
11111111111
1111111111
133333333
12444444
1457777
1311121414
15122021
131628
1530
15
1

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Last modified August 10 19:52 EDT 2020. Contains 336381 sequences. (Running on oeis4.)