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A215401 as a triangular array

1
11
110
1110
11120
111300
1113530
111361700
11136263540
11136278410200
11136279832424000
1113627994421170665110
111362799462196844121661

A215401 as a square array

1111111111111
111111111111
01111111111
0233333333
005666666
03172627272727
003584989999
04102324442462
0024011701968
006654412
0111661
0

A215401 as an upper right triangle

1111111111111
111111111111
01111111111
0233333333
005666666
03172627272727
003584989999
04102324442462
0024011701968
006654412
0111661
0

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Last modified May 30 15:08 EDT 2024. Contains 372968 sequences. (Running on oeis4.)