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A047071 as a triangular array

1
11
111
1121
12331
113641
12391051
13312191561
1461531342171
154154665552881
1691561111120833691
1715157617223120311945

A047071 as a square array

111111111111
11121234567
12333364915
13691215151515
14101931466176
15153465111172
162155120231
172883203
1836119
1945
1

A047071 as an upper right triangle

111111111111
11121234567
12333364915
13691215151515
14101931466176
15153465111172
162155120231
172883203
1836119
1945
1

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Last modified November 16 12:40 EST 2018. Contains 317272 sequences. (Running on oeis4.)