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A350000 as a triangular array

1
11
141
14111
1421241
143142501
144142190801
1451424001521541
1461426801528022201
147142103015217925903751
1481421450152296269020914441

A350000 as a square array

11111111111
1444444444
11121314151617181
124424242424242
15019040068010301450
180152152152152
115480217922962
1220590690
13752091
1444
1

A350000 as an upper right triangle

11111111111
1444444444
11121314151617181
124424242424242
15019040068010301450
180152152152152
115480217922962
1220590690
13752091
1444
1

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Last modified June 7 08:37 EDT 2024. Contains 373160 sequences. (Running on oeis4.)