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A140996 as a triangular array

1
11
121
1421
18421
1168421
131178421
16035178421
11167235178421
12241487235178421
14323031497235178421
18336183081497235178421
1160612576363081497235178421

A140996 as a square array

1111111111111
12481631601162244328331606
12481735721483036181257
1248173572149308636
1248173572149308
1248173572149
1248173572
12481735
124817
1248
124
12
1

A140996 as an upper right triangle

1111111111111
12481631601162244328331606
12481735721483036181257
1248173572149308636
1248173572149308
1248173572149
1248173572
12481735
124817
1248
124
12
1

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Last modified March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)