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A111007 as a triangular array

1
11
121
1221
13331
133331
1344431
13444431
144555441
1455555541
14566666541
145666666541
1456777776541
14667777776641
1

A111007 as a square array

111111111111111
1223333444444
123344455556
13344556666
1344556677
134556677
13456677
1456677
145677
14567
1456
146
14
1

A111007 as an upper right triangle

111111111111111
1223333444444
123344455556
13344556666
1344556677
134556677
13456677
1456677
145677
14567
1456
146
14
1

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Last modified March 28 07:33 EDT 2024. Contains 371235 sequences. (Running on oeis4.)