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A318240 as a triangular array

3
33
533
5433
74333
743333
9443333
96443333
1165433333
11654333333
137554333333
1375544333333
15755443

A318240 as a square array

335577991111131315
334444666777
33334455555
3333444555
333333444
33333344
3333333
33333
3333
333
33
3

A318240 as an upper right triangle

335577991111131315
334444666777
33334455555
3333444555
333333444
33333344
3333333
33333
3333
333
33
3

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Last modified August 11 09:30 EDT 2020. Contains 336423 sequences. (Running on oeis4.)