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A140994 as a triangular array

1
11
121
1241
12481
1249151
124919281
12491940521
1249194183961
12491941881701771
12491941881883453261
12491941881894006946001
1249194188189406846138611041

A140994 as a square array

1111111111111
122222222222
14444444444
1899999999
11519191919191919
128404141414141
1528388888888
196170188189189
1177345400406
1326694846
16001386
11104
1

A140994 as an upper right triangle

1111111111111
122222222222
14444444444
1899999999
11519191919191919
128404141414141
1528388888888
196170188189189
1177345400406
1326694846
16001386
11104
1

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Last modified October 15 03:30 EDT 2019. Contains 328025 sequences. (Running on oeis4.)