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A218181 as a triangular array

4
44
162816
3619219236
94956293695694
236549433152331525494236
6023088843421085133243421030888602
15281720385528352250060462500604655283521720381528
388296482870125438710907184

A218181 as a square array

4416369423660215283882
428192956549430888172038964828
16192293633152434210552835270125438
369563315285133225006046710907184
94549443421025006046
236308885528352
602172038
1528
4416369423660215283882
428192956549430888172038964828
16192293633152434210552835270125438
369563315285133225006046710907184
94549443421025006046
236308885528352
602172038
1528