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A055587 as a triangular array

1
11
121
1431
18841
116201351
13248381961
164112104632671
1128256272192963481
12565766885523211384391
1512128016961520100250119053101
1102428164096

A055587 as a square array

111111111111
12481632641282565121024
138204811225657612802816
14133810427268816964096
1519631925521520
1626963211002
1734138501
1843190
1953
110
1

A055587 as an upper right triangle

111111111111
12481632641282565121024
138204811225657612802816
14133810427268816964096
1519631925521520
1626963211002
1734138501
1843190
1953
110
1

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Last modified April 23 06:08 EDT 2019. Contains 322381 sequences. (Running on oeis4.)