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A140997 as a triangular array

1
11
121
1421
18421
1159421
128199421
12524019942
1196834119942
11177170884119942
11326345188884119942
11600694400189884119942
1120312751177987140618988411994
21137365431371918668724061898841199
421

A140997 as a square array

111111111111124
1248152821111112
1249195296177326600203111
1249408317034569427513736
12419418818840017795431
1291941881898713719
1491941884061866
2491941189872
2491988406
24941189
241988
2941
419
9

A140997 as an upper right triangle

111111111111124
1248152821111112
1249195296177326600203111
1249408317034569427513736
12419418818840017795431
1291941881898713719
1491941884061866
2491941189872
2491988406
24941189
241988
2941
419
9

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Last modified August 18 22:08 EDT 2019. Contains 326109 sequences. (Running on oeis4.)