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A178916 as a triangular array

1
11
111
5511
71771
771777
1111111911
2311171111111
17291113113129
1129113111111117
1131729147131131917
291175911291412911

A178916 as a square array

11157711231711129
1151711112929131
1171117111717
177111132959
17191113111
711111471
1113111329
111111
2911341
171929
171
1

A178916 as an upper right triangle

11157711231711129
1151711112929131
1171117111717
177111132959
17191113111
711111471
1113111329
111111
2911341
171929
171
1

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Last modified August 15 22:40 EDT 2018. Contains 313782 sequences. (Running on oeis4.)