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A140995 as a triangular array

1
11
121
1241
12481
1248161
124817311
12481735601
12481735721161
12481735721482241
12481735721493034321
12481735721493086188331
1248173572149308636125716061

A140995 as a square array

1111111111111
122222222222
14444444444
1888888888
11617171717171717
131353535353535
1607272727272
1116148149149149
1224303308308
1432618636
18331257
11606
1

A140995 as an upper right triangle

1111111111111
122222222222
14444444444
1888888888
11617171717171717
131353535353535
1607272727272
1116148149149149
1224303308308
1432618636
18331257
11606
1

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Last modified July 31 10:19 EDT 2024. Contains 374779 sequences. (Running on oeis4.)