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A218018 as a triangular array

1
111
121222
1331363666
146415324145226424
161051732052662072601320120
1771561966306439230159720435607920720
1948717112400927676414230746101118040304920554405040
214358881

A218018 as a square array

111121133114641161051177156119487171214358881
12236353247320596630612400927
2661452266204392306764142
626472601597203074610
241320435601118040
1207920304920
72055440
5040

A218018 as an upper right triangle

111121133114641161051177156119487171214358881
12236353247320596630612400927
2661452266204392306764142
626472601597203074610
241320435601118040
1207920304920
72055440
5040

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Last modified April 21 04:56 EDT 2019. Contains 322310 sequences. (Running on oeis4.)