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A171830 as a triangular array

1
22
343
16242416
4514416214445
19248011521152480192
1050240045009600450024001050
69121512025920432004320025920151206912
52920112896185220282240220500282240185220112896

A171830 as a square array

12316451921050691252920
2424144480240015120112896
3241621152450025920185220
161441152960043200282240
45480450043200220500
192240025920282240
105015120185220
6912112896

A171830 as an upper right triangle

12316451921050691252920
2424144480240015120112896
3241621152450025920185220
161441152960043200282240
45480450043200220500
192240025920282240
105015120185220
6912112896

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Last modified September 22 05:47 EDT 2019. Contains 327287 sequences. (Running on oeis4.)