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A113280 as a triangular array

1
11
1101
125251
14665461
173121121731
11061932261931061
11452813613612811451
11903855265775263851901
12415057218418417215052411
1298641946115312261153946

A113280 as a square array

11111111111
110254673106145190241298
12565121193281385505641
146121226361526721946
1731933615778411153
11062815268411226
11453857211153
1190505946
1241
1

A113280 as an upper right triangle

11111111111
110254673106145190241298
12565121193281385505641
146121226361526721946
1731933615778411153
11062815268411226
11453857211153
1190505946
1241
1

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Last modified January 26 22:05 EST 2022. Contains 350601 sequences. (Running on oeis4.)